sthus ISO 30 M12 x 1.75 Pull Stud Retention Knob for HSD Spindle CNC 3PCS

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About Sthus ISO 30 M12 X 1.75 Pull Stud Retention Knob

Description:For HSD Spindle CNC Router: Biesse Bermag Bussellator CNT DMS CR Onsrud Masterwood Thermwood Holz-her3 x ISO 30 M12 x 1.75 Pull Stud1、Using high quality alloy steel 20CrMnTi forging, the material is metallographic dense, uniform and stable. 2、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. 3、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. Precision grinding pull stubs have higher surface finish and dimension accuracy. The fitting accuracy is obviously higher than that of machine pull stubs, effectively reduces the error of machine tool and cooperation, so as to improve the accuracy and stability of the connection and improves the precision of the machine tools and lengthens the service life 4、Precision grinding pull stubs have higher surface finish and dimension accuracy. The fitting accuracy is obviously higher than that of machine pull stubs, effectively reduces the error of machine tool and cooperation, so as to improve the accuracy and stability of the connection and improves the precision of the machine tools and lengthens the service life. 5、Precision finished on the bottom of the flange to improve fitting with the bottom nose of the taper on the tool holder High quality black oxide finish can ensure long pull stub life and a non-rusting surface. Product description Taper: ISO 30 Knob Largest Diamter: 12mm Knob Smallest Diamter: 8mm L2 Shoulder to End: 24mm Threads: M12 x 1.75