Hydraulic expansion chuck SK 50 - 20 - 150

Hydraulic expansion chuck SK 50 - 20 - 150Application: 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

Completely made of steel

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

Ergonomic Handle of Design

- Especially suitable fore wire EDM

Only nominal size d can be clamped with sealing plug for internal cooling (applicable up to 21 bar) In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

With ball bearing clamping nut

Mit mechanischem Spannkraftverstärker

- Higher repeat-accuracy

clamping depth = 52

Collection of collets

Clamping positions: horizontal and vertical

Longer durability of inserts