Hydraulic expansion chuck HSK 63 - 12 - 150Application: 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

Flute geometry with special design

Hardening depth 0

For mounting milling cutters with transverse or longitudinal groove

Setting angle: 95°

and are noted for their tailored inner struts

4021 x 20Cr13

better chip evacuation

For mounting straight-shank tools in collet chucks KPS-system

the coolant tube can be moved only to a minimum degree according to DIN (±1°)

improves thread quality

prevents overfeeding

For cleaning internal tapers on machine spindles