Combi shell mill holder BT 40 - 27 - 160Application: 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

- mobility allows measuring within machines and fixtures

Entirely hardened and grinded on the inside and outside

PSK = PSK 50

For parting-off holders with coolant supply directly to the cutting edge

Stem diameter: Ø 8mm h6

clamping depth = 58

Through hole for internal cooling provided

without cooling lubricant supply

With ball bearing clamping nut

For tools with through coolant an O-ring must be used

- four measuring methode: standard

E1= 14 pieces