Boring bar blank BT 40 - 63 - 250

Application:
For the manufacturing of special tools.

Note:
Cone and flange hardened and grinded. Soft body for later processing.

• 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