Hydraulic expansion chuck SK 30-20-90 DIN 69871 AD/B in wooden boxApplication: 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

Excellent performance on various work material: Stainless steel

Clamping positions: horizontal

Mainly for external machining

3 / L2=63 HA polished Split Point - Valuetool

PSK = PSK 50

Improves chip evacuation and decreases the risk for chip jamming

- Honed collet boring

For the storage of collet chuck

break-proof and impact-resistant ABS plastic

ER-system with spray nozzles

- Stainless steel 1

In this way