Hydraulic expansion chuck BT 40 - 08 - 90Application: 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

Standard type without safety clutch

Clamping positions: horizontal

- Double-clamping via two mobile and one fixed jaw

Ausführung:

Carbide tipped measuring faces

20mm for over 500mm/20" range

For face machining

making the system suitable for internal cooling

For mounting straight-shank tools in collets according to ISO 10897 (formerly DIN 6388) OZ

Coolant supply via coolant flutes

vice clamps

min-1) = 6000