ER-Collet chuck BT 30 - 2/16 - 70 |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

- With filter for dirt particle-free cooling

JIS B 6339 and DIN 2080

- digital display with moving bar

U/min: 6300

pieces and tables

clamping depth

Capacity = 1 - 10 (ER 16)

6 fl ange nuts

These are limited by mechanical end stops

On machining centres without synchronised spindles

With clamping screw and axial adjustment bolt

Nubs on the top of the inserts