Item Name titanium screw, titanium bolt, titanium nut, titanium washerMaterial titanium,titanium alloyGradeGR2 and GR5 (Popular Grade)GR7,GR9,GR11 ... a Thread Gauge to measure thread pitch.Products Types1.Head Type:Round,Pan,Hex,Flat,Button,Truss,Oval, ... Spline Drive, etcProfessional as one of the leading titanium pan head bolt manufacturers, Titanium Industry is also well-known among those credible such ...