Hexagon Head Bolt

★Size：  M3-M60 1/4”-2-1/2” or customizable

★Standard:  ISO / DIN / ANSI / ASME / ASTM / BS / AS / JIS

★Material:  Q235 / 35K / 45K / 40Cr / B7 / 20MnTiB / A2 / A4 carbon steel 12.9 hex bolt & stainless steel 12.9 hex bolt

★Grade:  grade 12.9 hex bolt 4.8/5.8/6.8/8.8/10.9

★Surface: BZP / HDG / BLACK / DACROMET / TEFLON or customizable

★MOQ: 1000PCS

★Email: luoyifastener@outlook.com