ER-Collet chuck BT 30 - 3/26 - 70 | ER 40

Application:
For mounting straight-shank tools in collets.

Delivery:
With balanced clamping nut

• 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 after DIN
• All functional surfaces fine machined