Standard: ASTM A 193 Grade: B7 Material: 42CRMO or B7 Surface: BlackZinc PlatedH.D.G...[more]
METRIC Diameter: M3~M56 Finish: ZincPlainHDGBLACK Grade: 4.86.88.8 Material: Carbon Steel Specification: DIN 975 Thread: Coarse/Fine Technical Data: 点开连接 INCH Diameter: 3/16 ~ 2 Finish: ZincPlainHDGBLACK Grade: 25 Material...[more]