Product information “High Performance Milling Chuck BT 40-20-90 JIS B 6339 (MAS-BT) HKS-system in wooden box”
Application:
For mounting straight-shank tools.
- All holders are made of forged steel
- Specific, low warpage hardened
- Surface hardened HRC 58~60
- Hardening depth 0,8mm~0,9mm
- Taper angle tolerance < AT 3 according to DIN 2080
- Surface roughness Ra < 0,4 µm
- Tensile strength in the core of min. 800 N/mm? after DIN
- All functional surfaces fine machined
