ER-Collet chuck SK 40 - 2/16 - 50 | ER 25Application: 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

Measures external groves and recessed hub dimensions

Mirror polished surfaces

- 100µ stainless steel mesh filter

maximum = 50 mm)

- Honed collet boring

Designed with fine adjustment to allow precise movement of the slider

For mounting straight-shank tools in 3µm-collets

or fi xation on T-groove tables

Angular accuracy = 10 arcmin

For mini clamping nuts ER-system

Soft body for later processing

Made of precision ground hardened stainless steel