1/2" Spring L/W
1/2" SAE F/W
1/2" Malleable Bevel Washer 1-1/4" Square, 16 2/3 Degree Slope 9/16" ID x 11/32"-5/32" THK
1/2" (Hi-Collar) Spring L/W
1/2" USS F/W
1/2" Hardened Bevel Washer F436 1-3/4" Sq, 16 2/3 Degree Slope 9/16" ID x 11/32"-5/32" THK
1/2" F436 F/W
1/2" F436 F/W ID=17/32,OD=1-1/16",THK=.097-.177 38-45 HRC (NORTH AMERICAN)