... > Grade:gr1 gr2 gr3 4> MOQ:100pcs Round Head Titanium Self-tapping Screw 1. Specification 1> Standard : ASTMB348,ASTMF136,ASTMF67,DIN933 ... , military, medical part, automotive and bike,seawater treatment plant, offshore drilling rig, vessel and other marine-based vehicle, etc..3. Strengths ...