Hydraulic expansion chuck BT 40 - 18 - 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

wrench and collets

Excellent performance on various work material: Stainless steel

SK 30 without coolant exit bores on the end faceDelivery:

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

break-proof and impact-resistant ABS plastic

with cooling channels

Collets sealed with seal for IC

For mounting screw-in cutters with thread

is prevented from attaching itself by vacuum

T-nuts 18 mm

After mounting

Minimal length compensation on compression and expansion balances very small pitch differences between synchro spindle and tap