ER-Collet chuck SK 40 - 3/26 - 100 | ER 40Application: 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 the coolant supply through the centre of PSK toolholders

With mechanical booster

bei Ø 6 – Ø 32 mm = h236

05mm / 1/128"

Mode : Peak

For mounting screw-in cutters with thread

- Calibration certificate

Thread confi guration with a special design

160 x 58 x 15

- Higher repeat-accuracy

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

With retaining screw