... , high fatigue strength, Low temperature tenacity, compatibility, High corrosion resistance c). Standard: ISO 9001~2000 d). Diameter: M 0.8 - M ... ) Material: fe ,steel f). Application: Chemical plant, aerospace, military, medical part, automotive and bike, hot spring, seawater treatment plant, offshore drilling ... ) Bolt sizes:M4-M22*length b) Nut sizes:M4-M22 c) Standard:GB,ISO,DIN,BS,JIS,ANSI/ASME,BA d ...