Hydraulic expansion chuck SK 40 - 06 - 68Application: 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 Without 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 strength in

High holding forces: increase by a factor of 3 to 5 compared to standard jaws

For mounting straight-shank tools in collets

Double-clamping via two mobile and one fi xed jaw

length adjustment range

prevents over-feeding

With clamping screw and O-ring

DIN 1835 form A+B+E and DIN 6535 form HB+HE

Suitable for mass production

PSK = PSK 63

For mounting milling cutters with transversal groove

LSCX = Clamping depth

Zero-setting at any position for incremental measurement