Haimer Shrink Fit Chuck Standard, D = 25 mm, oversize, SK40 Tool Holder 40.442.25 (0838406)

Haimer Part Number: 40.442.25

HAIMER is a global leader in tool holding, balancing, and presetting technology. Founded in 1977 and headquartered in Igenhausen, Germany, HAIMER offers premium shrink fit chucks, tool balancing machines, and precision tool holders trusted in high-performance machining environments worldwide.

This product is priced singly and comes in packs of 1.

Please note that the actual item may not be/look exactly the same as shown in the item picture(s).

Product Features:

- Shrink Fit Chuck Standard Version with Cool Jet, DIN ISO 7388-1, SK40

- (formerly DIN 69871)

- Chuck fine balanced G2.5 at 25.000 rpm or U < 1 gmm

- All functional surfaces fine machined

- Taper tolerance AT3

- Coolant supply form AD/AF

- Shrink fit chuck for clamping shank tools, suitable for use with all available shrink fit units.

- With steep taper SK40 form AD/AF DIN ISO 7388-1 (formerly DIN 69871) and Shrink Fit version similar to DIN 69882-8. The form AD/AF provides internal coolant supply as standard, either centrally through the pull stud (AD version) or via coolant channels through the flange (AF version).

- Heat resistant hot-working steel

- Hardened 54 -2 HRC

- For HSS and solid carbide tools

- Shank tolerance h6

- Without threaded holes in order to balance with balancing screws

- With slits along the clamping bore for cooling from outside

- Without backup screw

- For rpm higher than e.g. 8000 we recommend the optional cooling system Cool Flash. (on request)

-

Background Information:

The SK system utilizes a proven 'fast taper' (7:24) self-releasing format. These conform to DIN ISO 7388-1 (formerly DIN 69871). Note that ISO, CAT, BT, and SK are NOT interchangeable even though they use the same basic taper!.

Company History:

Family-owned since 1977, HAIMER has grown from a precision parts specialist into a global tooling solutions supplier with operations across Europe, North America, and Asia.