Haimer Shrink Fit Chuck Standard, D = 3/4'', ZG130, BT40 Tool Holder 40.644.3/4Z.4 (0837546)

Haimer Part Number: 40.644.3/4Z.4

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, JIS B 6339-2, BT40

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

- All functional surfaces fine machined

- Taper tolerance AT3

- Coolant supply form JD/JF

- Shrink fit chuck suitable to all kind of shrink fit units.

- JIS B 6339-2 BT40 form JD/JF.

- The form JD/JF provides internal coolant supply as standard, either centrally through the pull stud (JD version) or via coolant channels through the flange (JF version).

- Heat resistant hot-working steel

- Hardened 54 -2 HRC

- For HSS and solid carbide tools

- Shank tolerance h6

- With threaded holes in order to balance with balancing screws

- With backup screw

- For a constant and acurate cooling of te cutting tool we recommend the optional cooling system Cool Jet.

- For RPM higher 8000 U/min we recommend the optional cooling system Cool Flash. (on request)

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Background Information:

The BT system utilizes a proven "fast taper" (7:24) self-releasing format and is common among non-European machine tools. 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.