Hydraulic expansion chuck BT 30 - 12 - 72Application: 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

Standard type without safety clutch

Retaining screw for mounting of face mills arbors

Screwdriver

(applicable up to 21 bar)

Slides hardened and grinded

Lieferumfang:

Double-clamping via two mobile and one fi xed jaw

- Honed collet boring

Carbide tipped measuring faces

With balanced clamping nut All holders are made of forged steel

Reading parts dull chromed

vice clamps