hardware washers
nord lock 21.4 2081 lock washer steel fits m20 3.4 mm th pk 100
lock washer steel delta protect finish fits bolt sizes m20 inside dia . 21.4 mm outside dia . 39mm thickness 3.4 mm thickness tolerance 0.25 mm rockwell hardness min . 46 hrc meets exceeds din 25201 package quantity 100 br b features b ul li finish delta protect li li inside dia . 21.4 mm li li item lock washer li li material steel li li outside dia . 39mm li li package quantity 100 li li size m20 li li fits bolt sizes m20 li li thickness 3.4 mm li li meets exceeds din 25201 li li rockwell hardness min . 46 hrc li li thickness tolerance 0.25 mm li ul