Version:
Through hardened and ground. High long-term concentricity because swarf cannot be pressed into the hardened surface and no notches can occur from minor impacts.
High precision version with plain shank.
Application:
For mounting drill chucks on to milling machines, automatic system etc. The plain shank can be clamped in a collet or in a milling chuck.
Standard:
Drill chuck taper DIN 238.