Size : M4-M64, 3/16-3”
Material : 4.8/6.8/8.8/10.9/12.9
Finishing : Black/Zinc/HDG/Dacromet/Geomet/Teflon PTFE/Zinc-Nickel/
Standard : DIN933/DIN931/A325/A490
Material : 4.8/6.8/8.8