Collection: Plungers - Spring - Acetal Handle - Locking - Stainless

Plungers -> Spring -> Acetal Handle -> Locking -> Stainless

There are 10 products in the sub-categories of Plungers - Spring - Acetal Handle - Locking - Stainless. Browse the Plungers - Spring - Acetal Handle - Locking - Stainless products table.

Category Details

A selection of Stainless Locking Acetal Handle Spring Plungers. White acetal plastic handle . 303 stainless steel body and plunger.

  • A compact mechanical component with a spring-loaded ball or pin inside a housing that applies consistent, predictable force. Internal spring compresses when pressure is applied to the ball or pin, allowing it to settle into designated positions or recess.
  • Provides a reliable holding or locating mechanism in various industrial applications where precise alignment or securing of parts is needed.
  • Also known as ball plungers or spring-loaded pins.
  • Items shown with Long-Lok have a dry threadlocking sealant applied to thread.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Plungers - Spring - Acetal Handle - Locking - Stainless category on the Small Parts & Bearings online store.
Thread Size (A) Thread Length (B) Initial Pressure (F1) Final Pressure (F2) Tip Diameter (D) Tip Length (C) Indicative
Image
Spring Plungers - M6 - 6x1mm - 13 mm - 0.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M6 (6x1mm)

Thread Length (B)
13.0
mm

(Equiv. 0.512 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.5
N
Tip Diameter (D)
3.0
mm
Tip Length (C)
3.0
mm
Spring Plungers - M6 - 6x1mm - 13 mm - 0.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 12.0 mm    Overall Length (F): 25.0    Hex: 6.0   
Part Number: PLST-060-130-HSL-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $62.32 AUD
Regular price $74.78 AUD Sale price $62.32 AUD
Each
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Quantity Required

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Thread Size (A) Thread Length (B) Initial Pressure (F1) Final Pressure (F2) Indicative
Image
Spring Plungers - M6 - 6x1mm - 13 mm - 0.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M6 (6x1mm)

Thread Length (B)
13.0
mm

(Equiv. 0.512 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.5
N
Spring Plungers - M6 - 6x1mm - 13 mm - 0.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 3.0 mm    Tip Length (C): 3.0 mm    Head Diameter (E): 12.0 mm    Overall Length (F): 25.0    Hex: 6.0   
Part Number: PLST-060-130-HSL-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $62.32 AUD
Regular price $74.78 AUD Sale price $62.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
12.7
mm

(Equiv. 0.5 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.6
N
Tip Diameter (D)
4.0
mm
Tip Length (C)
3.3
mm
Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 12.7 mm    Overall Length (F): 24.6    Hex: 6.4    Additional: With Locking Element   
Part Number: PLST-064C-127-HSLLK-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $39.95 AUD
Regular price $47.95 AUD Sale price $39.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

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Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
12.7
mm

(Equiv. 0.5 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.6
N
Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 4.0 mm    Tip Length (C): 3.3 mm    Head Diameter (E): 12.7 mm    Overall Length (F): 24.6    Hex: 6.4    Additional: With Locking Element   
Part Number: PLST-064C-127-HSLLK-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $39.95 AUD
Regular price $47.95 AUD Sale price $39.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel with Acetal Plunger
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
12.7
mm

(Equiv. 0.5 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.6
N
Tip Diameter (D)
4.0
mm
Tip Length (C)
3.3
mm
Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel with Acetal
Material: Stainless Steel with Acetal    Head Diameter (E): 12.7 mm    Overall Length (F): 24.6    Hex: 6.4   
Part Number: PLST-064C-127-HSL-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $44.23 AUD
Regular price $53.07 AUD Sale price $44.23 AUD
Each
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Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel with Acetal Plunger
Thread Size (A)
1/4-20 UNC (6.35mm)

Thread Length (B)
12.7
mm

(Equiv. 0.5 in.)
Initial Pressure (F1)
0.5
N
Final Pressure (F2)
1.6
N
Spring Plungers - 1/4-20 UNC - 6.35mm - 12.7 mm - 0.5 N Acetal Handle - Stainless Steel with Acetal
Material: Stainless Steel with Acetal    Tip Diameter (D): 4.0 mm    Tip Length (C): 3.3 mm    Head Diameter (E): 12.7 mm    Overall Length (F): 24.6    Hex: 6.4   
Part Number: PLST-064C-127-HSL-002 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $44.23 AUD
Regular price $53.07 AUD Sale price $44.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
3/8-16 UNC (9.53mm)

Thread Length (B)
19.1
mm

(Equiv. 0.752 in.)
Initial Pressure (F1)
1.1
N
Final Pressure (F2)
8.9
N
Tip Diameter (D)
6.3
mm
Tip Length (C)
4.8
mm
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 19.1 mm    Overall Length (F): 35.6    Hex: 9.5    Additional: With Locking Element   
Part Number: PLST-095C-191-HSLLK-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $55.32 AUD
Regular price $66.38 AUD Sale price $55.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
3/8-16 UNC (9.53mm)

Thread Length (B)
19.1
mm

(Equiv. 0.752 in.)
Initial Pressure (F1)
1.1
N
Final Pressure (F2)
8.9
N
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 6.3 mm    Tip Length (C): 4.8 mm    Head Diameter (E): 19.1 mm    Overall Length (F): 35.6    Hex: 9.5    Additional: With Locking Element   
Part Number: PLST-095C-191-HSLLK-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $55.32 AUD
Regular price $66.38 AUD Sale price $55.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
3/8-16 UNC (9.53mm)

Thread Length (B)
19.1
mm

(Equiv. 0.752 in.)
Initial Pressure (F1)
1.1
N
Final Pressure (F2)
8.9
N
Tip Diameter (D)
6.3
mm
Tip Length (C)
4.8
mm
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 19.1 mm    Overall Length (F): 35.6    Hex: 9.5   
Part Number: PLST-095C-191-HSL-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $50.23 AUD
Regular price $60.27 AUD Sale price $50.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
3/8-16 UNC (9.53mm)

Thread Length (B)
19.1
mm

(Equiv. 0.752 in.)
Initial Pressure (F1)
1.1
N
Final Pressure (F2)
8.9
N
Spring Plungers - 3/8-16 UNC - 9.53mm - 19.1 mm - 1.1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 6.3 mm    Tip Length (C): 4.8 mm    Head Diameter (E): 19.1 mm    Overall Length (F): 35.6    Hex: 9.5   
Part Number: PLST-095C-191-HSL-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $50.23 AUD
Regular price $60.27 AUD Sale price $50.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel with Acetal Plunger
Thread Size (A)
M10 (10x1.5mm)

Thread Length (B)
20.0
mm

(Equiv. 0.787 in.)
Initial Pressure (F1)
1.0
N
Final Pressure (F2)
9.0
N
Tip Diameter (D)
6.0
mm
Tip Length (C)
5.0
mm
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel with Acetal
Material: Stainless Steel with Acetal    Head Diameter (E): 19.0 mm    Overall Length (F): 38.0    Hex: 10.0   
Part Number: PLST-100-200-HSL-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $70.50 AUD
Regular price $84.60 AUD Sale price $70.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel with Acetal Plunger
Thread Size (A)
M10 (10x1.5mm)

Thread Length (B)
20.0
mm

(Equiv. 0.787 in.)
Initial Pressure (F1)
1.0
N
Final Pressure (F2)
9.0
N
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel with Acetal
Material: Stainless Steel with Acetal    Tip Diameter (D): 6.0 mm    Tip Length (C): 5.0 mm    Head Diameter (E): 19.0 mm    Overall Length (F): 38.0    Hex: 10.0   
Part Number: PLST-100-200-HSL-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $70.50 AUD
Regular price $84.60 AUD Sale price $70.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M10 (10x1.5mm)

Thread Length (B)
20.0
mm

(Equiv. 0.787 in.)
Initial Pressure (F1)
1.0
N
Final Pressure (F2)
9.0
N
Tip Diameter (D)
6.0
mm
Tip Length (C)
5.0
mm
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 19.0 mm    Overall Length (F): 38.0    Hex: 10.0    Additional: With Locking Element   
Part Number: PLST-100-200-HSLLK-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $65.05 AUD
Regular price $78.05 AUD Sale price $65.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M10 (10x1.5mm)

Thread Length (B)
20.0
mm

(Equiv. 0.787 in.)
Initial Pressure (F1)
1.0
N
Final Pressure (F2)
9.0
N
Spring Plungers - M10 - 10x1.5mm - 20 mm - 1 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 6.0 mm    Tip Length (C): 5.0 mm    Head Diameter (E): 19.0 mm    Overall Length (F): 38.0    Hex: 10.0    Additional: With Locking Element   
Part Number: PLST-100-200-HSLLK-009 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $65.05 AUD
Regular price $78.05 AUD Sale price $65.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M12 - 12x1.75mm - 25 mm - 2.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M12 (12x1.75mm)

Thread Length (B)
25.0
mm

(Equiv. 0.984 in.)
Initial Pressure (F1)
2.5
N
Final Pressure (F2)
8.0
N
Tip Diameter (D)
8.0
mm
Tip Length (C)
6.0
mm
Spring Plungers - M12 - 12x1.75mm - 25 mm - 2.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 25.0 mm    Overall Length (F): 47.0    Hex: 12.0   
Part Number: PLST-120-250-HSL-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $88.59 AUD
Regular price $106.31 AUD Sale price $88.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - M12 - 12x1.75mm - 25 mm - 2.5 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
M12 (12x1.75mm)

Thread Length (B)
25.0
mm

(Equiv. 0.984 in.)
Initial Pressure (F1)
2.5
N
Final Pressure (F2)
8.0
N
Spring Plungers - M12 - 12x1.75mm - 25 mm - 2.5 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 8.0 mm    Tip Length (C): 6.0 mm    Head Diameter (E): 25.0 mm    Overall Length (F): 47.0    Hex: 12.0   
Part Number: PLST-120-250-HSL-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $88.59 AUD
Regular price $106.31 AUD Sale price $88.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/2-13 UNC (12.7mm)

Thread Length (B)
25.4
mm

(Equiv. 1 in.)
Initial Pressure (F1)
2.2
N
Final Pressure (F2)
7.8
N
Tip Diameter (D)
7.9
mm
Tip Length (C)
6.4
mm
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 25.4 mm    Overall Length (F): 48.3    Hex: 12.7   
Part Number: PLST-127C-254-HSL-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $69.68 AUD
Regular price $83.62 AUD Sale price $69.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/2-13 UNC (12.7mm)

Thread Length (B)
25.4
mm

(Equiv. 1 in.)
Initial Pressure (F1)
2.2
N
Final Pressure (F2)
7.8
N
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 7.9 mm    Tip Length (C): 6.4 mm    Head Diameter (E): 25.4 mm    Overall Length (F): 48.3    Hex: 12.7   
Part Number: PLST-127C-254-HSL-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $69.68 AUD
Regular price $83.62 AUD Sale price $69.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/2-13 UNC (12.7mm)

Thread Length (B)
25.4
mm

(Equiv. 1 in.)
Initial Pressure (F1)
2.2
N
Final Pressure (F2)
7.8
N
Tip Diameter (D)
7.9
mm
Tip Length (C)
6.4
mm
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Head Diameter (E): 25.4 mm    Overall Length (F): 48.3    Hex: 12.7    Additional: With Locking Element   
Part Number: PLST-127C-254-HSLLK-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $68.32 AUD
Regular price $81.98 AUD Sale price $68.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel Plunger
Thread Size (A)
1/2-13 UNC (12.7mm)

Thread Length (B)
25.4
mm

(Equiv. 1 in.)
Initial Pressure (F1)
2.2
N
Final Pressure (F2)
7.8
N
Spring Plungers - 1/2-13 UNC - 12.7mm - 25.4 mm - 2.2 N Acetal Handle - Stainless Steel
Material: Stainless Steel    Tip Diameter (D): 7.9 mm    Tip Length (C): 6.4 mm    Head Diameter (E): 25.4 mm    Overall Length (F): 48.3    Hex: 12.7    Additional: With Locking Element   
Part Number: PLST-127C-254-HSLLK-008 (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 18, 2026
Regular price $68.32 AUD
Regular price $81.98 AUD Sale price $68.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.