... ,Gr4,Gr5,Gr7,Gr9,Gr12 Standard:DIN933,DIN912,DIN934 M1-M20 titanium flange screws1. Specification (1 )Standard : ASTMB348,ASTMF136,ASTMF67,DIN933 ... 32 (6) Technique : forged(7) Package details : Wooden case or as per clients' request 2. Application Aerospace, spaceflight, surgical implants, chemical ... drilling rig, vessel and other marine-based vehicle, etc.. M1-M20 titanium flange screw