Guide pins:

Material:SUJ2

Hardness:HRC58 and above

Subject to heat treatment and abrasive machining ;Contribute to extremely excellent toughness,finish and positioing properties;Of high work precision and grinding resistance

Guide bushing：

Material：SUJ2

Hardness:HRC58 and above

After abrassive machining, it can amount to a dimensional precision of 0.005mm and a coaxiality of 0.005mm.A kind of oil-free guide bushing with mosaic structure of MOS2 and copper alloy is available to improve the grinding resistance.