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Tool Holders / Threading Milling Toolholders
ATM-3BEI
3 sizes available · 8 specification fields
ATM-3BEI is a thread milling cutter. It is listed here in 3 sizes, Ø14–21 mm cutting diameter, right-hand versions, each with full specifications and a dimensioned drawing. Typical use: milling internal or external threads in one helical pass.
Insert compatibility
This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.
- 3EI
- 3BEI
Specifications
| Product code | Insert designation | Cutting direction (hand) | Connection diameter (mm) | Functional length (mm) | Cutting diameter (mm) | Head length (mm) | Effective cutting edges | Depth of cut, maximum (mm) |
|---|---|---|---|---|---|---|---|---|
| ATM-3EI-D20-W25-L120-Z01-H | 3EI | R | 25 | 120 | 20 | 25 | 1 | 15.3 |
| ATM-3EI-D14-W20-L90-Z01-H | 3EI | R | 20 | 90 | 14 | 22 | 1 | 15.3 |
| ATM-3BEI-D21-W25-L100-Z01-H | 3BEI | R | 25 | 100 | 21 | 30 | 1 | 21 |
Column codes
- Insert Code — Insert designation
- Product Direction — Cutting direction (hand)
- DCON — Connection diameter (mm)
- LF — Functional length (mm)
- DC — Cutting diameter (mm)
- LH — Head length (mm)
- ZEFP — Effective cutting edges
- APMX — Depth of cut, maximum (mm)
Dimensions in millimetres unless noted. Values are the manufacturer's published figures.
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