Hydraulic expansion chuck SK 50 - 14 - 77Application: 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

For mounting straight-shank tools with lateral flat according to DIN 1835 form B (Weldon)

Bed height H: 0

For horizontal clamping of flat workpieces

vice clamps4 pcs

T-nuts 18mm

With mechanical booster

Made of sturdy grey cast iron with hollow profile handles and specially guided prismatic steel jaws

- Maximum concentricity <0

Direction & Accuracy : C

Additional screw for DIN 2080 tools included

10mm for 300mm/12" range

For cleaning internal tapers on machine spindles