ER32/11/16/20/25/40 Spring Collet CNC Milling Lathe Chuck Tool Holder Precision

ER32 specificaiton -It is widely used in milling,boring,drilling,tapping,CNC,engraving,spindle machine and other. Hardness: HRC56~60. Taper degree: 16 degree. Hardness: HRC(56~60). Taper degree: 16 degrees.

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