Hydraulic expansion chuck BT 40 - 20 - 90Application: For mounting straight shank tools acc. DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia. 20 mm only with reduction sleeve). Note: l1 = max. clamping depth l2 = max. length adjustment range Delivery: With wrench 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

B4 - 25 x 16 x 30

For horizontal clamping of flat workpieces

Easy to read dial face

For the storage of tapping quick change adaptors

With ER-Mini-nut

- Calibration certificate

Direction & Accuracy : C

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

Satin chrome finished

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming

Type with adjustable safety clutch

For horizontal and vertical clamping of round and flat workpieces