DIN9250 Double Side Knurl Safety Lock Washer

DIN9250 Double Side Knurl Safety Lock Washer Material:Spring Steel, Stainless Steel 304 316Specifications:M5-M30 or CustomizedSurface Treatment:Plain, Passivation, Sandblasting, Nickal plating, Zinc plating, Chrome plating etc.Grade:140HV, 200HV, 300HV/ A2 / A4Standard:DIN, ANSI/ASTM, IFI, BS, GB, ISO, JIS, BA，etc.Packing: 1. Bulk Bag Packing;2. Bulk Carton Packing;   3. Color Box and Carton PackingLOGO customization:supportPackaging customization:support Size 5 6 8 10 12 14 16 18 20 22 24 27 30 Size(inch) 3/16 - 5/16 3/8 - - 5/8 - - - - - 1-1/8 d 5.3 6.4 8.4 10.5 13 15 17 19 21 23 25.6 28.6 31.6 dc 9 10 13 16 18 22 24 27 30 33 36 39 45 h 1 1 1.5 1.8 1.8 1.8 2.5 2.5 2.5 2.5 3 3 3 H max   1.3 1.4 2 2.3 2.4 2.5 3.1 3.2 3.3 3.4 3.9 4 4.3 min   1.05 1.1 1.6 1.9 1.9 1.95…