ER-Collet chuck BT 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

Setting angle: 93°

For mounting taps

With built-in tightening bolt All holders are made of forged steel

- Rustproof

Zubehör/Ersatzteil:

integrated in the adapter

With balanced clamping nut

Spherical end anvil

- Determining the reference points (calibration) of optical presetting devices

With ball bearing clamping nut

Spannkraft voreinstellbar durch Rillenmarkierung

DCONWS = 6 to 18 with two coolant channels