Hydraulic expansion chuck SK 40 - 25 - 117Application: 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 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 strength in

With wrench

The steel body is hardened and grinded

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance2

Delivery: without inserts

206 x 56 x 24

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

Strength class:

Tensile strength in the core of min

cross head retaining screw and cylinder head retaining screw for cutters with central coolant

In this way

Measuring surfaces are carbide

Stahlkörper allseitig geschliffen und gehärtet