Application:
For mounting milling cutters with transversal groove.

Note:
DCONWS = 40 and DCONWS = 60:
For large diameter face mill cutters with four additional threaded holes according to DIN 2079.

SK 30 without coolant exit bores on the end face

Delivery:
With drivers, cross head retaining screw and cylinder head retaining screw for cutters with central coolant.
For DCONWS = 60 only with four fixation screws according to DIN 912.