End mill holder Weldon with cooling channels BT 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

- HRC 43-47

- Automatic switch-on when the measuring surface is moved

Flatness: 0

Ground on the inside and outside

For clamping nuts KPS-system

E1= 28 pieces

Wooden case and instruction manual

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

Positive clamping due to penetration of the hardened claw tips

- for easy determination of the reference point on CNC and conventional machines

Scale reading by nonius: 3

- Calibration certificate