ER-Collet chuck SK 40 - 2/13 - 100 | 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

regardless of grade

Conforms to the IP67 ratings

and are noted for their tailored inner struts

For mounting straight-shank tools according to DIN 1835 form B+E

- Alignment surface ± 0

Bearing edge ground

From d = 25 on two clamping screws

6 µm radial run-out with a 5 µm clamping nut

Wooden case and instruction manual

the control lamp lights up = identification of the reference point

Coolant supply via coolant flutes

For mounting tools with Morse taper shank and tang according to DIN 228-1 form B