ER-Collet chuck HSK 63 - 2/13 - 75 | 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

For mounting straight-shank tools with lateral flat according to DIN 1835 form B (Weldon)

Surface roughness Ra < 0

With ER-Mini-nut

clamping depth = 58

With mechanical booster

In machining centres (machines with automatic tool changers)

such as precision boring bars

Stainless steel design

Clamping screw

Applicable up to 100 bar

Metallic sealed collets with cooling channels

Not applicable with reductions