ER-Collet chuck PSK 40 - 2/13 - 52 | ER 20Application: For mounting straight shank tools in collets. Delivery: With balanced clamping nut 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

For highest axial and radial loading

In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

Delivery: without inserts

without a tool

For the manufacturing of special tools

From DCONWS = 25 on two clamping screws

Collet chucks and wrenches to be ordered separately

Completely made of steel

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

Suitable for internal coolant

For sealing the spindle of the turret

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming