ER-Collet chuck SK 40 - 2/13 - 70 | 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

Further information on the articles included can be found under the respective article number

Measures external groves and recessed hub dimensions

Hardening depth 0

Setting angle: 107

For attaching shell-type milling cutters

Mit mechanischem Spannkraftverstärker

Designed with fine adjustment to allow precise movement of the slider

Set of 58 frequently used clamping elements

Non-rotating spindle

DCONWS = 20 to 40 with four coolant channels

Coolant pressure up to max

For front surfacing and small diameters