Hydraulic expansion chuckSK 40-32-117 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: 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

For machines with rigid tapping

Mainly for external machining

low warpage hardened

The fine-adjustment allows the slider to be precisely positioned

and are noted for their tailored inner struts

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance5

prevents over-feeding

Setting rings

Clamping accuracy at the centre 0

tool steel

On machining centres without synchronised spindles

All functional surfaces fine machined