Collection: Washers - Cup

Washers -> Cup

There are 9 products in the sub-categories of Washers - Cup. Browse the Washers - Cup products table. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of cup washers.
  • Washers with a concave, cup-like shape, used with countersunk screws to provide a neat, finished look and evenly distribute the fastener's load.
  • Protects softer materials from damage caused by the fastener head.
Washers - Cup

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Washers - Cup category on the MBA Minibearings main store.
Nominal Inside Diameter (A) Nominal Outside Diameter (B) Nom. Section (C) Size Indicative
Image
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated Washer
Nominal Inside Diameter (A)
2.845
mm

(Equiv. 0.112 in.)
Nominal Outside Diameter (B)
9.50
mm

(Equiv. 0.374 in.)
Nom. Section (C)
2.10
mm

(Equiv. 0.083 in.)
Size
4 UNC / UNF
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated
Material: Brass Nickel Plated   
Category: Washers - Cup - Brass
Part Number: W0028-CU-010-021-BNP (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 10, 2026
Regular price $113.23 AUD
Regular price Sale price $113.23 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Nominal Inside Diameter (A) Nominal Outside Diameter (B) Nom. Section (C) Size Indicative
Image
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated Washer
Nominal Inside Diameter (A)
2.845
mm

(Equiv. 0.112 in.)
Nominal Outside Diameter (B)
9.50
mm

(Equiv. 0.374 in.)
Nom. Section (C)
2.10
mm

(Equiv. 0.083 in.)
Size
4 UNC / UNF
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated
Material: Brass Nickel Plated   
Category: Washers - Cup - Brass
Part Number: W0028-CU-010-021-BNP (PK-1000)
Out of Stock | Backorder Now | Orders can be expected around Tue, Mar 10, 2026
Regular price $113.23 AUD
Regular price Sale price $113.23 AUD
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
10.30
mm

(Equiv. 0.406 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0035-CU-010-024-S3 (PK-10)
21 units (210 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $1.86 AUD
Regular price $3.37 AUD Sale price $1.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 21 available can be backordered.
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
10.30
mm

(Equiv. 0.406 in.)
Nom. Section (C)
2.40
mm

(Equiv. 0.094 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0035-CU-010-024-S3 (PK-10)
21 units (210 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $1.86 AUD
Regular price $3.37 AUD Sale price $1.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

21 units (210 pcs) Available Now. Backorder if more than 21.
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
11.10
mm

(Equiv. 0.437 in.)
Nom. Section (C)
2.50
mm

(Equiv. 0.098 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0035-CU-011-025-NY (PK-60)
1 pack (60 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 60 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
3.5
mm

(Equiv. 0.138 in.)
Nominal Outside Diameter (B)
11.10
mm

(Equiv. 0.437 in.)
Nom. Section (C)
2.50
mm

(Equiv. 0.098 in.)
Size
6 UNC / UNF
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0035-CU-011-025-NY (PK-60)
1 pack (60 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 60 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (60 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
4.17
mm

(Equiv. 0.164 in.)
Nominal Outside Diameter (B)
13.10
mm

(Equiv. 0.516 in.)
Nom. Section (C)
2.90
mm

(Equiv. 0.114 in.)
Size
8 UNC / UNF
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0042-CU-013-029-NY (PK-7)
1 pack (7 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.50 AUD
Regular price $6.65 AUD Sale price $3.50 AUD
Priced, Stocked and Sold Per 7 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (7 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
4.17
mm

(Equiv. 0.164 in.)
Nominal Outside Diameter (B)
13.10
mm

(Equiv. 0.516 in.)
Nom. Section (C)
2.90
mm

(Equiv. 0.114 in.)
Size
8 UNC / UNF
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0042-CU-013-029-NY (PK-7)
1 pack (7 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.50 AUD
Regular price $6.65 AUD Sale price $3.50 AUD
Priced, Stocked and Sold Per 7 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (7 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
4.762
mm

(Equiv. 0.187 in.)
Nominal Outside Diameter (B)
14.70
mm

(Equiv. 0.579 in.)
Nom. Section (C)
3.90
mm

(Equiv. 0.154 in.)
Size
10 UNC / UNF
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0048-CU-015-039-NY (PK-40)
1 pack (40 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (40 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101 Washer
Nominal Inside Diameter (A)
4.762
mm

(Equiv. 0.187 in.)
Nominal Outside Diameter (B)
14.70
mm

(Equiv. 0.579 in.)
Nom. Section (C)
3.90
mm

(Equiv. 0.154 in.)
Size
10 UNC / UNF
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101
Material: Nylon (Zytel 101)   
Category: Washers - Cup - Nylon
Deleted Item. Available while stocks last.
Part Number: W0048-CU-015-039-NY (PK-40)
1 pack (40 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (40 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
5
mm

(Equiv. 0.197 in.)
Nominal Outside Diameter (B)
14.30
mm

(Equiv. 0.563 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M5 (5x0.8mm)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0050-CU-014-028-S3 (PK-20)
15 units (300 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $3.95 AUD
Regular price $7.25 AUD Sale price $3.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 15 available can be backordered.
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
5
mm

(Equiv. 0.197 in.)
Nominal Outside Diameter (B)
14.30
mm

(Equiv. 0.563 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M5 (5x0.8mm)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0050-CU-014-028-S3 (PK-20)
15 units (300 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $3.95 AUD
Regular price $7.25 AUD Sale price $3.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

15 units (300 pcs) Available Now. Backorder if more than 15.
Cup Washers - 6x12x3 mm - Aluminium Washer
Nominal Inside Diameter (A)
6.00
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
12.00
mm

(Equiv. 0.472 in.)
Nom. Section (C)
3.00
mm

(Equiv. 0.118 in.)
Size
M6
Cup Washers - 6x12x3 mm - Aluminium
Material: Aluminium   
Category: Washers - Cup - Aluminium
Deleted Item. Available while stocks last.
Part Number: W0060-CU-012-030-A (PK-6)
1 pack (6 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $6.00 AUD
Regular price $11.40 AUD Sale price $6.00 AUD
Priced, Stocked and Sold Per 6 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (6 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 6x12x3 mm - Aluminium Washer
Nominal Inside Diameter (A)
6.00
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
12.00
mm

(Equiv. 0.472 in.)
Nom. Section (C)
3.00
mm

(Equiv. 0.118 in.)
Size
M6
Cup Washers - 6x12x3 mm - Aluminium
Material: Aluminium   
Category: Washers - Cup - Aluminium
Deleted Item. Available while stocks last.
Part Number: W0060-CU-012-030-A (PK-6)
1 pack (6 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $6.00 AUD
Regular price $11.40 AUD Sale price $6.00 AUD
Priced, Stocked and Sold Per 6 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (6 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
6
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
15.10
mm

(Equiv. 0.594 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M6
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0060-CU-015-028-S3 (PK-10)
220 units (2200 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 220 available can be backordered.
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
6
mm

(Equiv. 0.236 in.)
Nominal Outside Diameter (B)
15.10
mm

(Equiv. 0.594 in.)
Nom. Section (C)
2.80
mm

(Equiv. 0.11 in.)
Size
M6
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Part Number: W0060-CU-015-028-S3 (PK-10)
220 units (2200 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

220 units (2200 pcs) Available Now. Backorder if more than 220.
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
8
mm

(Equiv. 0.315 in.)
Nominal Outside Diameter (B)
19.80
mm

(Equiv. 0.78 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M8, 5/16
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: W0080-CU-020-032-S3 (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer
Nominal Inside Diameter (A)
8
mm

(Equiv. 0.315 in.)
Nominal Outside Diameter (B)
19.80
mm

(Equiv. 0.78 in.)
Nom. Section (C)
3.20
mm

(Equiv. 0.126 in.)
Size
M8, 5/16
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)   
Category: Washers - Cup - Stainless Steel
Deleted Item. Available while stocks last. Deleted Item. Available while stocks last.
Part Number: W0080-CU-020-032-S3 (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.