ER-Collet chuck BT 50 - 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

Slides hardened and grinded

Bed height H: 0

Quick release function

With securing screws and Tee-nuts

Setting rings

Plug gauge sizes according to DIN 2245

the coolant tube can be moved only to a minimum degree according to DIN (±1°)

Zero setting at any position

clamping depth

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4

For the chucking of quick change adaptors for taps

4 coupling