... head cap screw Standards:DIN, BS, ANSI, ISO,GB Grade:4.6, 4.8, 5.8, 6.8, 8.8 material :Carbon ... screwgradestandardmaterialdiameterlengthsurfacepackagepayment4.6DINcarbon steelm8-m2020mm-200mmzincgunny bagT/T4.8BSswrch35k5/16''-3/4''3/4''--8''blackcartonL/C5.8ISO45#steel plainpallet 6.8ANSI H ... )size:m8-m20,5/16''3/4''4)length:20mm-200mm,3/4''--8''5)grade:4.8,6.8,8.86)finish:zinc ...