5 PCS ISO30 M12 x 1.75 Pull Stud Retention Knob for Spindle CNC
Fitment: For Spindle CNC Router Specification: Taper: ISO 30 Knob Largest Diamter: 12 mm Knob Smallest Diamter: 8 mm L2 Shoulder to End: 24 mm Threads: M12 x 1.75 Description: Using high quality alloy steel 20CrMnTi forging, the material is metallographic dense, uniform and stable. After carburizing, the outside of material is hardened, and the inside of material is still soft and has enough toughness. Therefore, Material has higher wear resistance and better toughness. CNC on all critical surfaces including a pilotunder the flange of retention knob for full contact between tool holder’s taper end and retention knob. .