Hydraulic expansion chuck SK 50 - 08 - 68

Hydraulic expansion chuck SK 50 - 08 - 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 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

Clamping range h6 (nominal size only)

200 x 63 x 18

Suitable for tool holders with polygon shank (PSC/PSK) ISO 26623-1

All tool sizes can be combined

- Tightness of the screw connection tested up to 80 bar

For the assembly and disassembly of collets KPS-system

Soft body for later processing

and other hard to reach portions

Not applicable with reductions

For the coolant supply through the centre of HSK toolholders

Clamping force preadjustable by graduation lines

For sealing tools with internal cooling