1. Model NO: Hexagon Slotted Nut-1-1/4~1-1/2
2. Material: Medium Carbon steel(35#/45#), Alloy Steel(40Cr/35CrMo/4140), etcÂ
3. Grade: From Class4/6/8<.......
2. Material: Medium Carbon steel(35#/45#), Alloy Steel(40Cr/35CrMo/4140), etcÂ
3. Grade: From Class4/6/8<.......