Combi shell mill holder SK 50 - 22 - 55Application: For mounting milling cutters with transverse or longitudinal groove. Delivery: With retaining screw, driving ring and feather key 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 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

For sealing tools with internal cooling in collet chucks

With drivers

- with clamping adapter Ø 6 mm und Ø 8 mm

Ratchet handle gear types : 72 teeth

for fast mounting of work pieces

- Small size

Stem diameter: Ø 8mm h6

Removal of chips und cleaning of water pockets

Mode : Peak

Direction & Accuracy : C

U/min: 7000

Adapter / reduction / extension for polygonal hollow shank tapers