ER-Precision collet chuck SK 50 - 2/20 - 70 | ER 32Application: For mounting straight shank tools in 2 m collets. Advantage: Excellent concentricity in the system (chuck + collet + clamping nut) 3 m radial run out with a 2 m clamping nut, 6 m radial run out with a 5 m clamping nut Extremely strong holding force (increases the holding power by at least 60% compared to standard ER chuck) Plain clamping nut without grooves for high speed machining

Ø 6 – Ø 32 with h6-tolerance

Warranty card

nuts and plain washers

For the coolant supply through the centre of HSK toolholders

05mm / 1/128"

With bolted corpus

With clamping screw

T-nuts 18 mm

For measuring the groove diameter of shafts

After mounting

On machining centres without synchronised spindles

A possible increase of axial force during the tapping process is reduced to a minimum