ER-Collet chuck SK 50 - 2/20 - 70 | ER 32Application: 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

(applicable up to 21 bar)

- with permanent magnet on the base

For parting-off holders with coolant supply directly to the cutting edge

3 / L2=63 HA polished Split Point - Valuetool

end mills) to “zero” and for determining the reference point of the machine spindle

- Honed collet boring

From d = 25 on two clamping screws

01mm to the centre axis

Wooden case and instruction manual

Internal measurement jaws are rounded to provide accurate measurement of internal diameters

E1= 20 pieces

U/min: 3800