End mill holder Weldon with cooling channels SK 40 - 12 - 50Application: For mounting straight shank tools with lateral flat according to DIN 1835 form B (Weldon). Delivery: With clamping screw and O ring 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

Entirely hardened and grinded on the inside and outside

Bed height H: 0

3 µm radial run-out with a 2 µm clamping nut

better chip evacuation

Completely made of steel

length adjustment range

clamping depth 2 mm

Minimum internal diameter measurement capability of:

With securing screws and Tee-nuts

Left - right - forehead - overhead

- Calibration of the angular position of spindles of milling-turning centres

For machining centres with synchronous spindle