End mill holder Weldon with cooling channels BT 40 - 20 - 63

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

Carbide surfaces

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

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming

With clamping screw and axial adjustment bolt

For mounting the coolant tubes in HSK toolholders

depths and steps

DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance5

clamping depth = 52

during grinding

vertical and lateral

For sealing tools with internal cooling