Haimer Collet Chuck ER 16, short, CAT40 Tool Holder 40.720.16 (0836623)
Haimer Collet Chuck ER 16, short, CAT40 Tool Holder 40.720.16 (0836623)
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Haimer Part Number: 40.720.16
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).
| Properties | ||
|---|---|---|
| Name | Haimer Collet Chuck ER 16, short, CAT40 Tool Holder 40.720.16 | |
| EDP # | 0836623 | |
| Weight (1 pc.) | 32.0 oz | 898 g |
| Size | ER16 | |
| Clamping range | 0.5-10.0 | |
| Length A / A | 2.7560" | 70.000 mm |
| A-length version | short | |
| Interface | CAT40 | |
| Diameter clamping nut / D | 1.1020" | 28.000 mm |
Product Features:
- ER Collet Chuck, ASME B5.50 · CAT40
- Chuck body fine balanced U < 1 gmm
- Chuck body fine balanced G2.5 at 22.000 rpm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form AD/AF
- ER Collet Chuck for clamping cylindrical shank tools in ER collets according to ISO 15488.
- CAT 40 Form AD/AF
- 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).
- Balanced collet nuts with special slide coating for low friction and higher clamping forces
- L = drilled through
- ER collet chuck with pre-balanced collet nut
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Background Information:
The CAT system utilizes a proven 'fast taper' (7:24) self-releasing format and is common among American machine tools. Note that ISO, CAT, BT, and SK are NOT interchangeable even though they use the same basic taper!.
The ER tool holder system was invented by Fritz Weber, founder of Rego-Fix, and released in 1972. The ER-type system was originally used as a broom head to handle interface! The R in "ER" stands for Rego-Fix, and represents the company's modification to common "E" collet design of the early 20th century. Specifically, the modification was adding a groove to the collet which keeps it captive in the nut while installing/removing; eliminating the problem of collets getting stuck in the holders. Upon patent expiry the system was standardized in 1993 under DIN 6499 and is today the most recognizable and commonly used collet system worldwide.
The classic ER interface, tried and true.
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.
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