High Performance Milling Chuck SK 50-20-90 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

sleeves and tool arbors

Ø 6 – Ø 32 with h6-tolerance

For machines with rigid tapping

Suitable for internal coolant

improves thread quality

For face machining

Thread confi guration with a special design

contact- and hot air shrink units

Thread configuration with a special design

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

High flexibility: Large holding capacity up to –1 mm

For safe clamping of taps