High Performance Milling Chuck SK 50-25-90 DIN 69871 AD/B HKS-system in wooden boxApplication: For mounting straight shank tools. 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 machined

With built-in tightening bolt

Hardening depth 0

For d = 60 only with four fi xation screws according to DIN 912

Synchro tapping chucks compensate synchronisation errors

For the manufacturing of special tools

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

- Honed collet boring

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

chip breaking

LSCX = Clamping depth

Sealing capacity up to 80 bar

20 mm only with reduction sleeve)