Shrink Fit Chuck Basic Line BT40 D=10 mm, A=90 mm short version 40.640.10.00

Suitable for all inductive, contact and hotair shrink fit units.
JIS B 6339 BT40 form JD
Form JD means: central coolant supply through retention knob.
■ Heat resistant hot-working steel
■ Hardened 54 -2 HRC
■ For HSS and solid carbide tools
■ Shank tolerance h6
■ Included in delivery: Shrink fit chuck with back-up screw
■ Without threaded holes in order to balance with balancing screws
■ Cool Jet, Cool Flash or Safe-Lock not possible

Chuck body fine balanced
G2.5 25.000 1/min or U < 1 gmm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form JD