| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
|---|---|---|---|---|---|---|
| Extension Springs - 4x25x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
47.50
mm |
Spring Rate
0.12
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
| Extension Springs - 4x25x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
47.50
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.12 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
47.50
mm |
Spring Rate
0.12
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Steel
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
47.50
mm |
|
||
|
Material: Steel
Spring Rate: 0.12 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
41.90
mm |
Spring Rate
0.23
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$8.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
41.90
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.23 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$8.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
41.90
mm |
Spring Rate
0.23
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Steel
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-045-M (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$130.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
41.90
mm |
|
||
|
Material: Steel
Spring Rate: 0.23 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-045-M (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$130.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
38.60
mm |
Spring Rate
0.39
N/mm |
Initial Tension (IT)
1.2
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 6.37 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-05-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
38.60
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.39 N/mm
Initial Tension (IT): 1.2 N
Load at L1: 6.37 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0250-05-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.14 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
38.90
mm |
Spring Rate
0.39
N/mm |
Initial Tension (IT)
1.2
N |
|
|
Material: Steel
Load at L1: 6.37 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-05-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.5 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
38.90
mm |
|
||
|
Material: Steel
Spring Rate: 0.39 N/mm
Initial Tension (IT): 1.2 N
Load at L1: 6.37 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-05-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.550
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
35.00
mm |
Spring Rate
0.66
N/mm |
Initial Tension (IT)
1.9
N |
|
|
Material: Steel
Load at L1: 8.43 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-055-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x25x0.55 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
25
mm (Equiv. 0.984 in.) |
Wire Diameter (d)
0.550
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
35.00
mm |
|
||
|
Material: Steel
Spring Rate: 0.66 N/mm
Initial Tension (IT): 1.9 N
Load at L1: 8.43 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0250-055-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
72.70
mm |
Spring Rate
0.05
N/mm |
Initial Tension (IT)
0.2
N |
|
|
Material: Steel
Load at L1: 2.26 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-035-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.35 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
72.70
mm |
|
||
|
Material: Steel
Spring Rate: 0.05 N/mm
Initial Tension (IT): 0.2 N
Load at L1: 2.26 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-035-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
72.70
mm |
Spring Rate
0.05
N/mm |
Initial Tension (IT)
0.2
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 2.26 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-035-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
72.70
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.05 N/mm
Initial Tension (IT): 0.2 N
Load at L1: 2.26 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-035-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$10.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
58.40
mm |
Spring Rate
0.09
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Steel
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
58.40
mm |
|
||
|
Material: Steel
Spring Rate: 0.09 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
58.40
mm |
Spring Rate
0.09
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.41 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
58.40
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.09 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.41 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
51.70
mm |
Spring Rate
0.18
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
51.70
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.18 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
51.70
mm |
Spring Rate
0.18
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Steel
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-045-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
51.70
mm |
|
||
|
Material: Steel
Spring Rate: 0.18 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-045-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
47.50
mm |
Spring Rate
0.29
N/mm |
Initial Tension (IT)
1.2
N |
|
|
Material: Steel
Load at L1: 6.37 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-05-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.5 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
47.50
mm |
|
||
|
Material: Steel
Spring Rate: 0.29 N/mm
Initial Tension (IT): 1.2 N
Load at L1: 6.37 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0300-05-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
47.50
mm |
Spring Rate
0.29
N/mm |
Initial Tension (IT)
1.2
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 6.37 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-05-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.41 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
30
mm (Equiv. 1.181 in.) |
Wire Diameter (d)
0.500
mm (Equiv. 0.02 in.) |
Max. Extension (L1)
47.50
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.29 N/mm
Initial Tension (IT): 1.2 N
Load at L1: 6.37 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0300-05-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$11.41 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
68.70
mm |
Spring Rate
0.08
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0350-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$14.32 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
68.70
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.08 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0350-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$14.32 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
68.70
mm |
Spring Rate
0.08
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Steel
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0350-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x35x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
68.70
mm |
|
||
|
Material: Steel
Spring Rate: 0.08 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0350-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.550
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
50.20
mm |
Spring Rate
0.43
N/mm |
Initial Tension (IT)
1.9
N |
|
|
Material: Steel
Load at L1: 8.43 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0350-055-M (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$130.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x35x0.55 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
35
mm (Equiv. 1.378 in.) |
Wire Diameter (d)
0.550
mm (Equiv. 0.022 in.) |
Max. Extension (L1)
50.20
mm |
|
||
|
Material: Steel
Spring Rate: 0.43 N/mm
Initial Tension (IT): 1.9 N
Load at L1: 8.43 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0350-055-M (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$130.77 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
100.30
mm |
Spring Rate
0.03
N/mm |
Initial Tension (IT)
0.2
N |
|
|
Material: Steel
Load at L1: 2.26 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-035-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.35 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
100.30
mm |
|
||
|
Material: Steel
Spring Rate: 0.03 N/mm
Initial Tension (IT): 0.2 N
Load at L1: 2.26 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-035-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
100.30
mm |
Spring Rate
0.03
N/mm |
Initial Tension (IT)
0.2
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 2.26 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-035-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$13.23 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.350
mm (Equiv. 0.014 in.) |
Max. Extension (L1)
100.30
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.03 N/mm
Initial Tension (IT): 0.2 N
Load at L1: 2.26 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-035-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$13.23 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
78.50
mm |
Spring Rate
0.07
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$14.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
78.50
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.07 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-04-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$14.95 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
78.50
mm |
Spring Rate
0.07
N/mm |
Initial Tension (IT)
0.6
N |
|
|
Material: Steel
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.4 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.400
mm (Equiv. 0.016 in.) |
Max. Extension (L1)
78.50
mm |
|
||
|
Material: Steel
Spring Rate: 0.07 N/mm
Initial Tension (IT): 0.6 N
Load at L1: 3.24 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-04-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
Spring Rate
0.13
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$13.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
|
||
|
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80
Spring Rate: 0.13 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-0400-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$13.68 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
Spring Rate
0.13
N/mm |
Initial Tension (IT)
1.0
N |
|
|
Material: Steel
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-045-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.86 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Extension Springs - 4x40x0.45 mm Music Wire - Steel Spring | ||||||
|
OD (D0)
4.00
mm (Equiv. 0.157 in.) |
Overall Length (L0)
40
mm (Equiv. 1.575 in.) |
Wire Diameter (d)
0.450
mm (Equiv. 0.018 in.) |
Max. Extension (L1)
70.00
mm |
|
||
|
Material: Steel
Spring Rate: 0.13 N/mm
Initial Tension (IT): 1.0 N
Load at L1: 4.81 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-0400-0400-045-M (PK-5)
Out of Stock | Backorder Now | Orders can be expected around Wed, Apr 22, 2026 Regular price
$6.86 AUD
Regular price
Unit price
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
