ER-Collet chuck SK 40 - 2/16 - 60 | ER 25Application: 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 DCONWS = 60 only with four fixation screws according to DIN 912

Excellent performance on various work material: Stainless steel

- with clamping adapter Ø 6 mm und Ø 8 mm

quantity of inserts:

without the illustrated cutting tools

For the coolant supply through the centre of HSK toolholders

a clip and can be moved in steps of 25 mm

prevents chip clogging

- Longer-lived than standard collets

DCONWS = 6 to 18 with two coolant channels

All functional surfaces fine machined

4 und 5 mm = h4