End mill holder Whistle-Notch SK 40 - 12 - 50Application: 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 mounting straight-shank tools with lateral flat according to DIN 1835 form B (Weldon)

Toolholders suitable for induction-

Measuring contact points are designed to allow measurements near to the bottom of blind holes

For parting-off holders with coolant supply directly to the cutting edge

Only nominal size d can be clamped with sealing plug for internal cooling (applicable up to 21 bar) In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

cross head retaining screw and cylinder head retaining screw for cutters with central coolant

Ratchet stop

E2= 28 pieces

Memory : 100 Readings

In this way

Excellent concentricity in the system (chuck + collet + clamping nut)

which can cause high frictional forces on the thread flanks