BT40 Precision ER Metalworking Toolholding Tool Holders for CNC Milling Machines

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BT40 ER Tool Holders Features:
1, All BT40 tool holder cone comes with pull stud and collet nut
2, BT40 tool cone precision≤ AT3, 7:24
3, BT40 ER collet chucks with AA class high precision ER collet, beat accuracy≤ 0.005mm; when clamp cutters, totally beat accuracy≤ 0.008mm
4, Very smooth inner cone surface
5, Harden surface, last for long time use
6, G2.5 balance test
7, Wearproof screw thread, more loading/unloading times.
8, 20CrMnTi material, carbon-nitrogen co-permeation, enhance the hardness, abrasion performance, fatigue hardness. Carburized depth> 0.8mm

Description

  • Model: BT40
  • Material: 20CrMnTi
  • Pullstud: BT40
  • Collet model: ER
  • These BT40 tool holders are metalworking toolholding BT holders with keyway, widely used with VMC (vertical machining center), cnc milling machine, cnc machining center, etc.

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