ER-Collet chuck SK 40 - 3/26 - 80 | ER 40Application: 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

Water and dust resistant design

To this end

Heat-treated steel

Measuring Range: 0-360°

Only nominal size d can be clamped (applicable up to 120 bar)

Improves chip evacuation and decreases the risk for chip jamming

All holders are made of forged steel

Easy to read face

Ø 125 mm with locks

U/min: 3000

Tool steel

With clamping screw and axial adjustment bolt