hardware washers
te co 42621 flat washer black oxide low carbon steel fits 3 8 in bolts
heavy duty flat washer hardened low carbon steel finish black oxide fits bolt sizes 3 8 inside dia 13 32 outside dia 7 8 thickness 3 16 thickness tolerance 0.010 tem 400 f color black rockwell hardness 85 90 on 15n scale clamping for use with nuts studs and clamps grade 5 br b features b ul li application clamping li li color black li li finish black oxide li li for use with nuts studs and clamps li li inside dia . 13 32 li li item heavy duty washer li li material hardened steel li li outside dia . 7 8 li li package quantity 1 li li size 3 8 li li temp . f 400 degrees li li type hardened li li fits bolt sizes 3 8 li li thickness 3 16 li li meets exceeds grade 5 li li rockwell hardness 85 to 90 on 15n scale li li thickness tolerance 0.010 li li radius li ul