ER-Collet chuck BT 40 - 2/16 - 60 |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

- Double-clamping via two mobile and one fixed jaw

Jaws with grip serrations und fine step for workpieces with max

bei Ø 6 – Ø 32 mm = h236

U/min: 6300

For sealing the spindle of the turret

Plain clamping nut without grooves for high speed machining

clamping depth = 61

- Dimensions Ø55x53 mm

Quick change adaptors with safety clutch are supplied with a predefi ned torque

DCONWS = 20 to 40 with four coolant channels

Coolant pressure up to max

Automatic switch off