Hydraulic expansion chuck BT 50-20-110 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: With 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

With built-in tightening bolt

Flute geometry with special design

In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

Schafttoleranz bei Ø 3

Hardened steel

ADJRGA = Length adjustment range

vice clamps4 pcs

is prevented from attaching itself by vacuum

With balanced clamping nut

DIN 1835 form A+B+E and DIN 6535 form HB+HE

Hinged mounting device for toolholders

Coolant pressure up to max