Collection: Washers - Cup
Washers -> CupThere are 14 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.

Washers - Cup - Aluminium
A selection of Aluminium Cup Washers. Aluminium cup washer selection. Washers with...

Washers - Cup - Brass
This category includes various types of cup washers. Washers with a concave,...

Washers - Cup - Nylon
A selection of Nylon Cup Washers. Nylon cup washer selection. Washers with...

Washers - Cup - Stainless Steel
A selection of Stainless Steel Cup Washers. Stanless steel cup washer selection....
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.

Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Washers - Cup category on the Small Parts & Bearings online store.
Nominal Inside Diameter (A) | Nominal Outside Diameter (B) | Nom. Section (C) | Size |
Indicative Image |
---|---|---|---|---|
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
|
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Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0028-CU-010-021-BNP (1000 Pcs)
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$113.23 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
Nominal Inside Diameter (A) | Nominal Outside Diameter (B) | Nom. Section (C) | Size |
Indicative Image |
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
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0028-CU-010-021-BNP (1000 Pcs)
Cup Washers - 2.845x9.5x2.1 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$113.23 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
|
||||
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
|
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Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0035-CU-010-024-BNP (100 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$7.23 AUD
Regular price
Unit price
/
per
Per 100
|
||||
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
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0035-CU-010-024-BNP (100 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$7.23 AUD
Regular price
Unit price
/
per
Per 100
|
||||
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0035-CU-010-024-S3 (10 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 21 units (210 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$1.86 AUD
Regular price
Unit price
/
per
Per 10
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0035-CU-010-024-S3 (10 Pcs)
Cup Washers - 3.5x10.3x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 21 units (210 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$1.86 AUD
Regular price
Unit price
/
per
Per 10
|
||||
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0035-CU-011-025-NY (60 Pcs)
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 60
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0035-CU-011-025-NY (60 Pcs)
Cup Washers - 3.5x11.1x2.5 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 60
|
||||
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0042-CU-013-029-NY (7 Pcs)
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 7
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0042-CU-013-029-NY (7 Pcs)
Cup Washers - 4.17x13.1x2.9 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 7
|
||||
|
||||
Nominal Inside Diameter (A)
4.762
mm (Equiv. 0.187 in.) |
Nominal Outside Diameter (B)
12.70
mm (Equiv. 0.5 in.) |
Nom. Section (C)
2.40
mm (Equiv. 0.094 in.) |
Size
10 UNC / UNF
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0048-CU-013-024-BNP (1000 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$98.68 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
Nominal Inside Diameter (A)
4.762
mm (Equiv. 0.187 in.) |
Nominal Outside Diameter (B)
12.70
mm (Equiv. 0.5 in.) |
Nom. Section (C)
2.40
mm (Equiv. 0.094 in.) |
Size
10 UNC / UNF
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0048-CU-013-024-BNP (1000 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$98.68 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
|
||||
Nominal Inside Diameter (A)
4.762
mm (Equiv. 0.187 in.) |
Nominal Outside Diameter (B)
12.70
mm (Equiv. 0.5 in.) |
Nom. Section (C)
2.40
mm (Equiv. 0.094 in.) |
Size
10 UNC / UNF
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0048-CU-013-024-S3 (100 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025 Regular price
$22.23 AUD
Regular price
Unit price
/
per
Per 100
|
||||
Nominal Inside Diameter (A)
4.762
mm (Equiv. 0.187 in.) |
Nominal Outside Diameter (B)
12.70
mm (Equiv. 0.5 in.) |
Nom. Section (C)
2.40
mm (Equiv. 0.094 in.) |
Size
10 UNC / UNF
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0048-CU-013-024-S3 (100 Pcs)
Cup Washers - 4.762x12.7x2.4 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025 Regular price
$22.23 AUD
Regular price
Unit price
/
per
Per 100
|
||||
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0048-CU-015-039-NY (40 Pcs)
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 40
|
||||
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
|
![]() |
Material: Nylon (Zytel 101)
Category: Washers - Cup - Nylon |
||||
Part Number: W0048-CU-015-039-NY (40 Pcs)
Cup Washers - 4.762x14.7x3.9 mm - Nylon Zytel 101 Washer 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
Unit price
/
per
Per 40
|
||||
|
||||
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)
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0050-CU-014-028-S3 (20 Pcs)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 17 units (340 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$3.95 AUD
Regular price
Unit price
/
per
Per 20
|
||||
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)
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0050-CU-014-028-S3 (20 Pcs)
Cup Washers - 5x14.3x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 17 units (340 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$3.95 AUD
Regular price
Unit price
/
per
Per 20
|
||||
|
||||
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)
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0050-CU-014-028-BNP (1000 Pcs)
Cup Washers - 5x14.3x2.8 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$115.68 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
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)
|
![]() |
Material: Brass Nickel Plated
Category: Washers - Cup - Brass |
||||
Part Number: W0050-CU-014-028-BNP (1000 Pcs)
Cup Washers - 5x14.3x2.8 mm - Brass Nickel Plated Washer Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025 Regular price
$115.68 AUD
Regular price
Unit price
/
per
Per 1000
|
||||
|
||||
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
|
![]() |
Material: Aluminium
Category: Washers - Cup - Aluminium |
||||
Part Number: W0060-CU-012-030-A (6 Pcs)
Cup Washers - 6x12x3 mm - Aluminium Washer 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
Unit price
/
per
Per 6
|
||||
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
|
![]() |
Material: Aluminium
Category: Washers - Cup - Aluminium |
||||
Part Number: W0060-CU-012-030-A (6 Pcs)
Cup Washers - 6x12x3 mm - Aluminium Washer 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
Unit price
/
per
Per 6
|
||||
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0060-CU-015-028-S3 (10 Pcs)
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 220 units (2200 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$3.95 AUD
Regular price
Unit price
/
per
Per 10
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0060-CU-015-028-S3 (10 Pcs)
Cup Washers - 6x15.1x2.8 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 220 units (2200 pcs) Available Now | Further orders can be expected around Tue, Sep 09, 2025 Regular price
$3.95 AUD
Regular price
Unit price
/
per
Per 10
|
||||
|
||||
Nominal Inside Diameter (A)
7
mm (Equiv. 0.276 in.) |
Nominal Outside Diameter (B)
15.90
mm (Equiv. 0.626 in.) |
Nom. Section (C)
3.20
mm (Equiv. 0.126 in.) |
Size
M7
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0070-CU-016-032-S3 (100 Pcs)
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025 Regular price
$27.32 AUD
Regular price
Unit price
/
per
Per 100
|
||||
Nominal Inside Diameter (A)
7
mm (Equiv. 0.276 in.) |
Nominal Outside Diameter (B)
15.90
mm (Equiv. 0.626 in.) |
Nom. Section (C)
3.20
mm (Equiv. 0.126 in.) |
Size
M7
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0070-CU-016-032-S3 (100 Pcs)
Cup Washers - 7x15.9x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 09, 2025 Regular price
$27.32 AUD
Regular price
Unit price
/
per
Per 100
|
||||
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0080-CU-020-032-S3
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 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
Unit price
/
per
Each
|
||||
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
|
![]() |
Material: Stainless Steel 303 PV (Similar to A2, 304, 18-8)
Category: Washers - Cup - Stainless Steel |
||||
Part Number: W0080-CU-020-032-S3
Cup Washers - 8x19.8x3.2 mm - Stainless Steel 303 PV Similar to A2, 304, 18-8 Washer 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
Unit price
/
per
Each
|
||||
|