High Performance Milling Chuck BT 40-20-90 JIS B 6339 (MAS-BT) HKS system in wooden box

Consisting of : Wooden Box 701.R20 Ø6-8-10-12-16Reduction sleeves are coolant proof

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/mm² according to DIN
• All functional surfaces finely machined