Hydraulic expansion chuck HSK 63-25-120 DIN 69893 (ISO 12164) Form A 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

To increase the specific contact pressure per unit area

For internal machining with boring bars

Clamping positions: horizontal

Horizontal und vertikal aufspannbar

For mounting the coolant tubes in PSK toolholders

prevents over-feeding

T-nuts 18 mmTest certificate

After mounting

Thread configuration with a special design

In this way

Repeating accuracy 0

4 und 5 mm = h4