End mill holder Weldon with cooling channels SK 40 - 20 - 63Application: 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

Water and dust resistant design

For the inspection of machine tools according to ISO ­recommendation R230 or for testing the tool spindle

Jaws with grip serrations und fine step for workpieces with max

KEMMLER Precision collet chuck ER or standard collet chuck Spannfutter ISO 15488 (ex

Delivery with test certificate All holders are made of forged steel

From d = 25 on two clamping screws

With mechanical booster

For mounting straight-shank tools in collet chucks DIN 6391

Stainless steel design

160 x 58 x 15

prevents chip clogging

Suitable for: