Insulators

Category Details

Combined category including sub-categories of insulators. These include screw.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Insulators category on the Small Parts & Bearings online store.
Thread Size Shank Length (L) Bore Size (C) Shank Diameter (D) Flange Diameter (A) Flange Thickness (B) Indicative
Image
Screw Insulators - 2 UNC/UNF - 2.18mm - 3.175x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
3.175
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Flange Diameter (A)
4.597
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 2 UNC/UNF - 2.18mm - 3.175x2.286 mm - Nylon Zytel 101 Insulator
Material: Nylon (Zytel 101)   
Part Number: SI-022-032 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jun 10, 2026
$56.95 AUD
$56.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size Shank Length (L) Bore Size (C) Shank Diameter (D) Indicative
Image
Screw Insulators - 2 UNC/UNF - 2.18mm - 3.175x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
3.175
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Screw Insulators - 2 UNC/UNF - 2.18mm - 3.175x2.286 mm - Nylon Zytel 101 Insulator
Material: Nylon (Zytel 101)    Flange Diameter (A): 4.597 mm    Flange Thickness (B): 1.191 mm   
Part Number: SI-022-032 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jun 10, 2026
$56.95 AUD
$56.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Screw Insulators - 2 UNC/UNF - 2.18mm - 6.35x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
6.350
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Flange Diameter (A)
4.597
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 2 UNC/UNF - 2.18mm - 6.35x2.286 mm - Nylon Zytel 101 Insulator
Material: Nylon (Zytel 101)   
Part Number: SI-022-064 (PK-100)
Out of Stock | Backorder Now | More stock due: 1 (100 pcs) around Fri, May 08, 2026 | Further orders can be expected around Wed, Jun 10, 2026
$61.41 AUD
$61.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Screw Insulators - 2 UNC/UNF - 2.18mm - 6.35x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
6.350
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Screw Insulators - 2 UNC/UNF - 2.18mm - 6.35x2.286 mm - Nylon Zytel 101 Insulator
Material: Nylon (Zytel 101)    Flange Diameter (A): 4.597 mm    Flange Thickness (B): 1.191 mm   
Part Number: SI-022-064 (PK-100)
Out of Stock | Backorder Now | More stock due: 1 (100 pcs) around Fri, May 08, 2026 | Further orders can be expected around Wed, Jun 10, 2026
$61.41 AUD
$61.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Screw Insulators - 2 UNC/UNF - 2.18mm - 9.525x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
9.525
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Flange Diameter (A)
4.597
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 2 UNC/UNF -2.18mm- 9.525x2.286 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Part Number: SI-022-095 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jun 10, 2026
$57.32 AUD
$57.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Screw Insulators - 2 UNC/UNF - 2.18mm - 9.525x2.286 mm - Nylon Zytel 101 Insulator
Thread Size
2 UNC/UNF (2.18mm)
Shank Length (L)
9.525
mm
Bore Size (C)
2.286
mm
Shank Diameter (D)
3.048
mm
Screw Insulators - 2 UNC/UNF -2.18mm- 9.525x2.286 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 4.597 mm    Flange Thickness (B): 1.191 mm   
Part Number: SI-022-095 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jun 10, 2026
$57.32 AUD
$57.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Screw Insulators - 4 UNC/UNF - 2.85mm - 0.795x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
0.795
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Flange Diameter (A)
5.969
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 0.795x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-028-008 (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 0.795x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
0.795
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 0.795x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 5.969 mm    Flange Thickness (B): 1.191 mm   
Deleted Item. Available while stocks last.
Part Number: SI-028-008 (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 3.175x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
3.175
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Flange Diameter (A)
5.969
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 3.175x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-028-032 (PK-100)
1 pack (100 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (100 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 3.175x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
3.175
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 3.175x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 5.969 mm    Flange Thickness (B): 1.191 mm   
Deleted Item. Available while stocks last.
Part Number: SI-028-032 (PK-100)
1 pack (100 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (100 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 4.775x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
4.775
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Flange Diameter (A)
5.969
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 4.775x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-028-048 (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 4.775x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
4.775
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 4.775x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 5.969 mm    Flange Thickness (B): 1.191 mm   
Deleted Item. Available while stocks last.
Part Number: SI-028-048 (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 12.7x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
12.700
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Flange Diameter (A)
5.969
mm
Flange Thickness (B)
1.191
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 12.7x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-028-127 (PK-50)
4 units (200 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (200 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 4 UNC/UNF - 2.85mm - 12.7x2.921 mm - Nylon Zytel 101 Insulator
Thread Size
4 UNC/UNF (2.85mm)
Shank Length (L)
12.700
mm
Bore Size (C)
2.921
mm
Shank Diameter (D)
3.683
mm
Screw Insulators - 4 UNC/UNF -2.85mm- 12.7x2.921 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 5.969 mm    Flange Thickness (B): 1.191 mm   
Deleted Item. Available while stocks last.
Part Number: SI-028-127 (PK-50)
4 units (200 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (200 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 10 UNC/UNF - 4.76mm - 9.525x5.08 mm - Nylon Zytel 101 Insulator
Thread Size
10 UNC/UNF (4.76mm)
Shank Length (L)
9.525
mm
Bore Size (C)
5.080
mm
Shank Diameter (D)
6.604
mm
Flange Diameter (A)
10.135
mm
Flange Thickness (B)
1.588
mm
Screw Insulators - 10 UNC/UNF -4.76mm- 9.525x5.08 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-048-095 (PK-45)
1 pack (45 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 45 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (45 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 10 UNC/UNF - 4.76mm - 9.525x5.08 mm - Nylon Zytel 101 Insulator
Thread Size
10 UNC/UNF (4.76mm)
Shank Length (L)
9.525
mm
Bore Size (C)
5.080
mm
Shank Diameter (D)
6.604
mm
Screw Insulators - 10 UNC/UNF -4.76mm- 9.525x5.08 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 10.135 mm    Flange Thickness (B): 1.588 mm   
Deleted Item. Available while stocks last.
Part Number: SI-048-095 (PK-45)
1 pack (45 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 45 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (45 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 1/4 in. - 6.35mm - 15.875x6.604 mm - Nylon Zytel 101 Insulator
Thread Size
1/4 in. (6.35mm)
Shank Length (L)
15.875
mm
Bore Size (C)
6.604
mm
Shank Diameter (D)
7.925
mm
Flange Diameter (A)
13.030
mm
Flange Thickness (B)
1.588
mm
Screw Insulators - 1/4 in. -6.35mm- 15.875x6.604 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Deleted Item. Available while stocks last.
Part Number: SI-064-159 (PK-10)
6 units (60 pcs) Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Screw Insulators - 1/4 in. - 6.35mm - 15.875x6.604 mm - Nylon Zytel 101 Insulator
Thread Size
1/4 in. (6.35mm)
Shank Length (L)
15.875
mm
Bore Size (C)
6.604
mm
Shank Diameter (D)
7.925
mm
Screw Insulators - 1/4 in. -6.35mm- 15.875x6.604 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)    Flange Diameter (A): 13.030 mm    Flange Thickness (B): 1.588 mm   
Deleted Item. Available while stocks last.
Part Number: SI-064-159 (PK-10)
6 units (60 pcs) Available Now | Item Discontinued - Up to 6 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.