... :M3-M40 3The exquisite wokanship and competitive price The Hex Head Titanium BoltStandard: Gr2,Gr5Size:M3-M40The exquisite wokanship and competitive ... ), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4, • Standard: ASTM / ASME SB ... , 2, 2HM, 2H, GR 6, B 7, B 7M Hex Head Titanium Bolt