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Malleable Iron Washers

Malleable cast iron round washers are used in dock and wood construction. These oversized washers have a large bearing surface designed to prevent bolt heads and nuts from pulling into the wood.

Stock

Diameters: 3/8" - 1"
Origin: Domestic (no keyhole) and Import (keyhole)
Finish: Black and hot-dip galvanized

Dimensions

Bolt Size A T Weight In Pounds
Per 100 Pieces
Outside Diameter Thickness Gauge
3/8 2-1/2 1/4 18
1/2 2-1/2 1/4 22
5/8 2-3/4 5/16 32
3/4 3 7/16 42
7/8 3-1/2 7/16 55
1 4 1/2 69
1-1/8 4-1/2 1/2 96
1-1/4 5 9/16 121
1-1/2 6 3/4 187

Reference ASTM A47 for general casting information