ER-Collet chuck SK 40 - 2/13 - 70 | ER 20 | MiniApplication: For mounting straight shank tools in collets. Delivery: With ER Mini 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

Delivery: without inserts

Hardened steel

In machining centres (machines with automatic tool changers)

Taper angle tolerance < AT 3 according to DIN 2080

bei Ø 6 – Ø 32 mm = h235

0V Battery

For mounting straight-shank tools acc

- Higher repeat-accuracy

In NC machines (machines without automatic tool changers)

For mounting straight-shank tools

Wherever reduced interference contours are required

For horizontal and vertical clamping of round and flat workpieces