hardware washers
nord lock 64.1 4051 lock washer 316 ss fits 2 1 2 in 0.35 t
lock washer 316 stainless steel plain finish fits bolt sizes 2 1 2 inside dia . 2.640 outside dia . 3.740 thickness 0.350 thickness tolerance 0.03 rockwell hardness min . 52 hrc case hardened meets exceeds din 25201 br b features b ul li finish plain li li inside dia . 2.640 li li item lock washer li li material 316 stainless steel li li outside dia . 3.740 li li package quantity 1 li li size 2 1 2 li li fits bolt sizes 2 1 2 li li thickness 0.350 li li meets exceeds din 25201 li li rockwell hardness min . 52 hrc case hardened li li thickness tolerance 0.03 li ul