ER-Precision collet chuck PSK 40 - 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

The fine-adjustment allows the slider to be precisely positioned

Clamping positions: horizontal and and vertical

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

In machining centres (machines with automatic tool changers)

Rolled thread

With balanced clamping nut All holders are made of forged steel

Application:

For mounting milling cutters with transversal groove

bei Ø 6 – Ø 32 mm = h238

For safe clamping of taps

With clamping screw and axial adjustment bolt

Coolant pressure up to max