... alloy 3> Grade:gr1 gr2 gr3 4> MOQ:100pcs Round Head Titanium Self-tapping Screw 1. Specification 1> Standard : ASTMB348,ASTMF136 ... We also manufacture titanium cylindrical screw, titanium head screw, titanium pan head screw , titanium square head screw titanium hexagon srew, titanium slot word ...