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Soft Copper Crush Washer

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Our soft annealed Copper Crush Washers are ideal for sealing brake unions. Crush washers should be used with large diameter fittings for proper sealing. Our minimum hex size recommendations are shown in the table below.

Sold individually.

Copper Crush Washer Dimensions
ID (Nominal) OD Thickness Minimum Hex Size
5/16" / 8mm 0.435" 3/64" 7/16"
3/8" / 10mm 0.585" 3/64" 9/16"
7/16" 5/8" 1/16" 9/16"
1/2" 11/16" 1/16" 5/8"

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.
Desc.
Price
Status

3241-5/16
Condition: New
SKU: 57981

Soft Copper Crush Washer, 5/16 (or 8mm) inch ID

1 to 11: $0.69

12 to 149: $0.61

150 & up: $0.53

In Stock

3241-3/8
Condition: New
SKU: 28640

Soft Copper Crush Washer, 3/8 inch (or 10mm) ID

1 to 11: $0.69

12 to 149: $0.61

150 to 1999: $0.53

2000 & up: call   

In Stock

3241-7/16
Condition: New
SKU: 28641

Soft Copper Crush Washer, 7/16 inch ID

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock

3241-1/2
Condition: New
SKU: 41708

Soft Copper Crush Washer, 1/2 inch ID

1 to 11: $0.89

12 to 149: $0.79

150 & up: $0.68

In Stock