End mill holder Whistle-Notch BT 40 - 40 - 120

End mill holder Whistle-Notch BT 40 - 40 - 120Application: 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

Clamping possible on both sides

Set consist of

The steel body is hardened and grinded all-round

- Checking and setting the rotation angle position of machine spindles (M19 function - spindle stop in defi ned end position)

clamping depth l2 = max

Measuring surfaces are carbide

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

Heat-treated steel

With wrench

clamping depth = 41

For internal machining with boring bars

prevents chip clogging