ER-Collet chuck SK 40 - 3/26 - 160 | 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

With built-in tightening bolt

2 axis adjustable

Low-vibration boring bars

With ball bearing clamping nut All holders are made of forged steel

- with 2 connectors Ø 6 mm and Ø 8 mm

For all solid drills with cylindrical shank according to DIN 6595

Construction:

For gauge-accurate working and controlling of surfaces and squares up to 46°

carbon steel

Thread configuration with a special design

Extremely strong holding force (increases the holding power by at least 60% compared to standard ER chuck)

Hinged mounting device for toolholders