Shrink chuck 3° BT 40 - 05 - 90Application: For mounting tools with straight shanks. Note: Toolholders suitable for induction , contact and hot air shrink units. 3, 4, 5 with h4 tolerance and 6 32 with h6 tolerance For 3, 4 and 5 mm only solid carbide tool shanks must be used! 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

Retaining screw for mounting of face mills arbors

For mounting straight-shank tools in collets

Hardening depth 0

with cooling channels

For mounting screw-in cutters with thread

driving ring and feather key

- Maximum concentricity <0

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

- Longer-lived than standard collets

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming

For tools with taper shanks DIN 69871 and JIS B 6339 (MAS-BT)

With clamping screw and axial adjustment bolt