Shrink chuck 4,5° SK 50 - 18 - 120Application: 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

(applicable up to 21 bar)

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

4021 x 20Cr13

- Honed collet boring

4 and 5 mm only solid carbide tool shanks must be used

ER-system with spray nozzles

without cooling lubricant supply

chip breaking

For mounting milling cutters with transversal groove

For mounting straight-shank tools and inclined flat according to DIN 1835 form E (Whistle Notch)

For tools with taper shanks DIN 69871 and JIS B 6339 (MAS-BT)

All functional surfaces fine machined