Car Bolt /Car Nut Tire Bolt / Tire Nut 1.Standard: DIN, ISO, ANSI,BS,GB,JIS,etc. 2. Material: 40Cr, 35CrMo, 45# 3. Property class:8.8, 10.9, 12.9 4. Size: according to your requirement 5. Finish: plain, black, zinc plated, phosphate coating, Dacromet etc. 6. Packing: according customer's requirement Any kind of WheelNut can be developed and supplied exactly as customer's specifications.