End mill holder Whistle-Notch SK 50 - 08 - 63Application: For mounting straight shank tools and inclined flat according to DIN 1835 form E (Whistle Notch). Delivery: With clamping screw and axial adjustment bolt 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

For highest axial and radial loading

(applicable up to 21 bar)

- HRC 43-47

With built-in tightening bolt All holders are made of forged steel

Improves chip evacuation and decreases the risk for chip jamming

- Honed collet boring

Clamping range 0

Collet chucks and wrenches to be ordered separately

For mounting straight-shank tools in collet chucks DIN 6499

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4

For mounting straight-shank tools

which can cause high frictional forces on the thread flanks