Hydraulic expansion chuck BT 40-20-90 JIS B 6339 (MAS-BT) AD/B in wooden box

Hydraulic expansion chuck BT 40-20-90 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: 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

- Longer-lived than standard collets

For safe clamping of taps in end mill holders according to DIN 1835 B

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

Low-vibration boring bars

break-proof and impact-resistant ABS plastic

- Higher repeat-accuracy

Resolution:

Effective from low to high coolant pressures

and vertical

clamping depth = -

for clamping holders with coolant channels directly to the cutting edge

B4 - 25 x 16 x 30