Hydraulic expansion chuck BT 40-25-90 JIS B 6339 (MAS-BT) 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

3 / L2=63 HA polished Split Point - Valuetool

Jaw parts in contact with the workpiece press the workpiece onto the surface

154 x 54 x 17

T-nuts 18mm

With bolted corpus

For mounting straight-shank tools in collet chucks DIN 6499

improves thread quality

M6 - M12 = 10

For mounting straight-shank tools in collet chucks DIN 6391

Thread confi guration with a special design

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4

vice clamps