Titanium screw 1>Standard:ASTMB348,ASTMF136 2> Material:Titanium or titanium alloy 3> ... gr3 4> MOQ:100pcs Round Head Titanium Self-tapping Screw 1. Specification 1> Standard : ASTMB348,ASTMF136,ASTMF67,DIN933,DIN912,DIN934 2> Material ... and bike,seawater treatment plant, offshore drilling rig, vessel and other marine-based vehicle, etc..3. Strengths 1> Low density ,high specific strength ...