Retaining screws DIN 6367 M20 with drill through for coolant

Application:
For easy and reliable clamping of tool arbors at the collar using rollers to mount and remove cutting tools - friction lock is self-clamping and ideal for HSK forms E and F, and also polygon shank arbors.

Suitable for:
For all popular tool arbors such as SK (DIN 69871), HSK (forms A, B, C, D, E, F), polygon shanks, MAS/BT (JIS B 6339), and CAT (ANSI B5.50).

Note:
Max. tightening torque 150 Nm