hardware washers
nord lock 1542 lock washer fits m20 0.13 th pk 4
lock washer en 1.7182 carbon steel fits bolt sizes m20 inside dia . 0.84 in . outside dia . 1.21 in . thickness 0.13 in . thickness tolerance .01 color silver rockwell hardness min . 46 hrc high vibration dynamic loads critical bolted joints extreme conditions for use with bolts nuts hex head cap screws socket head cap screws adhesiveswashers package quantity 4 br b features b ul li application high vibration dynamic loads critical bolted joints extreme conditions li li color silver li li for use with bolts nuts hex head cap screws socket head cap screws adhesiveswashers li li inside dia . 0.840 li li item lock washer li li material en 1.7182 carbon steel li li outside dia . 1.210 li li package quantity 4 li li fits bolt sizes m20 li li thickness 0.130 li li rockwell hardness min . 46 hrc li li thickness tolerance .01 li ul