Bright Zinc Plated Penny Washers

Bright Zinc Plated Penny Washers roduct Name Large Flat Metal Washers Also Named Large Flat Washers Material Carbon Steel Standard DIN 9021 Property Class Grade A/Grade C Diameter 2.7/ 3.2/ 3.7/ 4.3/ 5.3/ 6.4/ 7.4/ 8.4/ 10.5/ 13/ 15/ 17/ 20/ 22/ 26/ 33/ 39 For Thread 2.5/ 3/ 3.5/ 4/ 5/ 6/ 7/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 24/ 30/ 36 Finish Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated Vickers hardness range, HV A：140 HV C：100 HV Vickers hardness range, HV A：140-250 HV C：100-250 HV Alternative Standard DIN EN ISO 7093-1, GB /T 96.1 Nominal Diameter 2.7 3.2 3.7 4.3 5.3 6.4 7.4 8.4 10.5 For thread diameter 2.5 3 3.5 4 5 6 7 8 10 d1 min=nominal size 2.7 3.2 3.7 4.3 5.3 6.4 7.4 8.4 10.5 max 2.84 3.38 3.88 4.48 5.48 6.62 7.62 8.62 10.77 dc max=nominal size 8 9 11 12 15 18 22 24 30 min 7.64 8.64 10.57 11.57 14.57 17.57 21.48 23.48 2…