... )Material:Un-finite 2)Size:Un-finite 3)Finishing:ZW,ZB,ZY,Nickel, ZP.else 4)Tolerance:0.001mm Fasteners1. Products ... , Grade4.8,6.8, 8.8, 10.9, 12.9, and so on.7StandardDIN.ANSI/ASME.JIS.BA8CertificationISO 9001:2008 & ROHS9Thread ... control.4. Workshop Show:We have advanced equipment and outstanding and production crew. 5. Quality Control Equipment: 6. The QA Entire ...