Hydraulic expansion chuck BT 40 - 20 - 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 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

For mounting straight-shank tools with lateral flat according to DIN 1835 form B (Weldon)

With wrench

For internal machining with boring bars

- Honed collet boring

Collets sealed with seal for IC

For mounting screw-in cutters with thread

clamping depth l2 = max

For mounting straight-shank tools acc

- Maximum concentricity <0

With clamping screw

For mounting solid drills with cylindrical shank according to DIN 6595

HSS-Co5 Twist drill DIN338 d=6