Hydraulic expansion chuck SK 40 - 12 - 77

Hydraulic expansion chuck SK 40 - 12 - 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: 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

Minimum internal diameter measurement capability of:

Clamping positions: horizontal and and vertical

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

Taper angle tolerance < AT 3 according to DIN 2080

The internal thread provided for the coolant tube in the PSC toolholder is plugged with the socket-head screw incorporated in the adapter

ISO-Metric Thread

Clamping range 0

Adapters ISO / PSK with axial clamping

For use on vises

Jeweled and shock proof

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance1

for disassembling adaptor sleeves