HSK 63 F tool holders for use on auto tool changer CNC routers and machining centers, and point to point machines with automatic tool changers. HSK63F ER 32 Tool Holder with Nut Features: HSK 63F tool collet size: ER32 (HSK63F ER40 optional) Material: Through hardened alloy steel. Precision ground surfaces. Balance Grade: G2.5 @ 24,000 rpm High precision: 0.005mm runout from taper to pocket Tool holder forks: HSK 63F Dust-proof design could extend HSK toolholder lifetime High holding power extends cutting tool life and improves surface finish. HSK63F collet chucks with threaded holes in order to balance with balancing screws Precision collet nuts included Compatibility: All HSK 63F auto tool changing spindles (Italy HSD spindle, GC Colombo spindle, SCM Hiteco spindle) Dimensions (mm): A=70 Also we can supply you HSK63F ER40, ISO15, ISO20-ER16/20, ISO30, NBT30, BT30, BT40 tool holders, etc. -