End mill holder Weldon with cooling channels HSK 63 - 20 - 80Application: 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

For retaining screw DIN 6367

maximum = 50 mm)

Easy to read dial face

With high precision coolant you get improved

The clamping screw incorporates a through hole

System concentricity and repetition accuracy 3 µm (3×D

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance8

For mounting straight-shank tools in collet chucks DIN 6391

Contact surface precision grinded

- Resolution 0

bei Ø 6 – Ø 32 mm = h238

Robust design