Titanium hex bolts--Titanium screw--DIN931 M20*65 1.Material:Gr4 2.Spec,: DIN 931 M20*65 3.Package:wood case Titanium hex ... bolts--Titanium screw--DIN931 M20*65 Item NameTitanium FastenerMaterialPure Titanium and Alloy TitaniumGradeGr1,Gr2,Gr3,Gr4 ... inquiry to us! Titanium hex bolts--Titanium screw--DIN931 M20*65