ER-Collet chuck SK 40 - 2/16 - 50 | ER 25Application: For mounting straight shank tools for woodworking 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

- Double-clamping via two mobile and one fixed jaw

Delivered with a built-in screw for shortened taper tools

5 x 58 x 18

Setting angle: 107

Calibration certificate

Extension rod >6mm

Clamping range h6 (nominal size only)

Instructions for use

d = 40/d = 60: For large diameter face mill cutters with four additional threaded holes according to DIN 2079

contact- and hot air shrink units

Minimal length compensation on compression and expansion balances very small pitch differences between synchro spindle and tap

For machining centres with synchronous spindle