Hydraulic expansion chuck BT 30 - 16 - 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 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

For sealing tools with internal cooling

For highest axial and radial loading

Plug Gauge Accuracy according to DIN 7162/7164

for KEMMLER precision collet chuck ER

With fi ne adjustment carriage to feed the slider finely

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

Setting angle: 95°

20mm for over 500mm/20" range

With balanced clamping nut All holders are made of forged steel

- Maximum concentricity <0

4 und 5 mm = h4

Not applicable with reductions