... ,DIN6923,DIN985,DIN935,DIN1587 2.Material:GR1,GR2,GR3.GR5 3.Specification:M3-M36Titanium, as the fourth abundant element on the earth ... bolts, nuts, Washer, the order is produced· Quality : pure titanium & Alloy· Minimum Loss Allowance· Cost Reduction· pure titanium mass production· Price ...