ER-Collet chuck SK 40 - 2/20 - 70 | ER 32Application: 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

clamping depth = 36

Without the illustrated cutting tools

Ø2mm Carbide tipped contact point

For the transfer of a defined torque

Battery :1

Plain clamping nut without grooves for high speed machining

Bolt and Holding ring

- Calibration of the angular position of spindles of milling-turning centres

load capacity 200kg

Metric/Inch conversion at any position

DCONWS = 20 to 40 with four coolant channels

Robust design