Shrink chuck 4,5° with cooling channels SK 50 - 06 - 80Application: For mounting tools with straight shanks. Note: Toolholders suitable for induction , contact and hot air shrink units. 3, 4, 5 with h4 tolerance and 6 32 with h6 tolerance For 3, 4 and 5 mm only solid carbide tool shanks must be used! 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

wrench and collets

With built-in tightening bolt

Surface roughness Ra < 0

For internal machining with boring bars

low warpage hardened

Low-vibration boring bars

length adjustment range

For longitudinal and plane turning

With ball bearing clamping nut

With internal cooling

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

lockable in different positions