Hydraulic expansion chuck BT 40 - 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: 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

Entirely hardened and grinded on the inside and outside

Surface hardened HRC 58~60

Flatness: 0

Warranty cardInstruction manual

Push-button: Ø6mm

For parts with delicate clamping surfaces

- for easy determination of the reference point on CNC and conventional machines

with adjustable ball spray nozzles

- According to DIN 69895 for HSK-A and HSK-E hollow taper shanks

Standard (over 25mm range)

For mounting solid drills with cylindrical shank according to DIN 6595

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4