557 Series End Mills
Geometry Specifications:
Axial: N/ARadial: N/A
557 Series Ball End Mill cutters have a free cutting design that allows a wide variety of applications of materials. This ball end mills unique single insert design offers two cutting edges maintaining a strong unit. We offer a wide range of small and medium diameters with various extensions available. The single insert design offers accurate repeatability after insert replacement.
| Product Number | D | S | C | L | DOC | Insert | Screw | Teeth | Wrench |
| 557E0031ABC2-S050RT | .312 | .500 | 1.906 | 5.500 | .156 | SPEX-32.52BCEG-2.51 BCCG-2.51-__ |
GWS 08 | 1 | 1557-TX08 |
| 557E0037ABC3-S050R | .375 | .500 | 1.344 | 3.562 | .187 | SPEX-32.52BCEG/A-31.5 BCCG-31.5-__ |
GWS 10 | 1 | 1557-TX10 |
| 557E0037BBC3-S050RT | .375 | .500 | 1.375 | 5.875 | .187 | SPEX-32.52BCEG/A-31.5 BCCG-31.5-__ |
GWS 10 | 1 | 1557-TX10 |
| 557E0050ABC4-S050R | .500 | .500 | 1.250 | 3.562 | .250 | SPEX-32.52BCEG/A-41.5 BCCG-41.5-__ |
GWS 12 | 1 | 1557-TX15 |
| 557E0050BBC4-S050R | .500 | .500 | 1.250 | 5.125 | .250 | SPEX-32.52BCEG/A-41.5 BCCG-41.5-__ |
GWS 12 | 1 | 1557-TX15 |
| 557E0050CBC4-S050R | .500 | .500 | 1.813 | 5.875 | .250 | SPEX-32.52BCEG/A-41.5 BCCG-41.5-__ |
GWS 12 | 1 | 1557-TX15 |
| 557E0050DBC4-S062RT | .500 | .625 | 2.312 | 6.281 | .250 | SPEX-32.52BCEG/A-41.5 BCCG-41.5-__ |
GWS 12 | 1 | 1557-TX15 |
| 557E0062ABC5-S062R | .625 | .625 | 1.375 | 5.500 | .312 | SPEX-32.52BCEG/A-52 BCCG-52-__ |
GWS 16 | 1 | 1557-TX15 |
| 557E0062BBC5-S062R | .625 | .625 | 2.000 | 6.281 | .312 | SPEX-32.52BCEG/A-52 BCCG-52-__ |
GWS 16 | 1 | 1557-TX15 |
| 557E0062CBC5-S075RT | .625 | .750 | 2.562 | 6.875 | .312 | SPEX-32.52BCEG/A-52 BCCG-52-__ |
GWS 16 | 1 | 1557-TX15 |
| 557E0075ABC6-S075R | .750 | .750 | 1.750 | 4.500 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0075BBC6-S075R | .750 | .750 | 1.750 | 6.281 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0075CBC6-S075R | .750 | .750 | 2.375 | 6.875 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0075DBC6-S100RT | .750 | 1.000 | 3.000 | 7.500 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0075EBC6-S075R | .750 | .750 | 2.375 | 8.250 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0075FBC6-S100RT | .750 | 1.000 | 3.000 | 9.437 | .375 | SPEX-32.52BCEG/A-62 BCCG-62-__ |
GWS 20 | 1 | 1557-TX20 |
| 557E0100ABC8-S100R | 1.000 | 1.000 | 1.750 | 6.281 | .500 | SPEX-32.52BCEG/A-82.5 BCCG-82.5-__ |
GWS 25 | 1 | 1557-TX25 |
| 557E0100BBC8-S100R | 1.000 | 1.000 | 2.750 | 7.500 | .500 | SPEX-32.52BCEG/A-82.5 BCCG-82.5-__ |
GWS 25 | 1 | 1557-TX25 |
| 557E0100CBC8-S125RT | 1.000 | 1.250 | 3.875 | 8.250 | .500 | SPEX-32.52BCEG/A-82.5 BCCG-82.5-__ |
GWS 25 | 1 | 1557-TX25 |
| 557E0100DBC8-S100R | 1.000 | 1.000 | 3.125 | 9.062 | .500 | SPEX-32.52BCEG/A-82.5 BCCG-82.5-__ |
GWS 25 | 1 | 1557-TX25 |
| 557E0100EBC8-S125RT | 1.000 | 1.250 | 3.875 | 9.437 | .500 | SPEX-32.52BCEG/A-82.5 BCCG-82.5-__ |
GWS 25 | 1 | 1557-TX25 |
| 557E0125ABC10-S125R | 1.250 | 1.250 | 2.187 | 6.875 | .625 | SPEX-32.52BCEG/A-103 BCCG-103-__ |
GWS 32 | 1 | 1557-TX25 |
| 557E0125BBC10-S125R | 1.250 | 1.250 | 3.125 | 8.250 | .625 | SPEX-32.52BCEG/A-103 BCCG-103-__ |
GWS 32 | 1 | 1557-TX25 |
| 557E0125CBC10-S150RT | 1.250 | 1.500 | 4.750 | 9.437 | .625 | SPEX-32.52BCEG/A-103 BCCG-103-__ |
GWS 32 | 1 | 1557-TX25 |
| Milling Cutter Nomenclature |
| Insert Nomenclature |
| Material | SFPM | FPT | Primary | Secondary |
| Tool Steel, D2, P20 | 400-800 | .003-.010 | SPEX-32.52BCEA-__ GR 606jRm | SPEX-32.52BCEA-__ GR LTC-14 |
| Stainless Steel 300 Series | 300-600 | .003-.010 | SPEX-32.52BCEG-__ GR 586XRm | SPEX-32.52BCEG-__ GR LTC-10 |
| All Materials | 300-600 | .003-.006 | SPEX-32.52BCCG-__900XRm |
| Type | Grade | Style | Application |
| "G" | Chip Breaker Insert | Soft gummy materials ie: aluminum, brass, low carbon steels and stainless. |
|
| "A" | Flat Face Insert | High Carbon and die and mold steel. | |
| 586XRm | TiAlN-PVD Coated | Light roughing and finishing cuts in die and mold steels, and any finishing cuts in hard steels, and non-ferrous materials. |
|
| 606jRm | TiAlN-PVD Coated | Roughing low and high carbon steels, die mold steels, and ferrous materials. |
|
| LTC-10 | Class C2 Uncoated | Aluminum and non-ferrous materials. | |
| LTC-14 | Class C5 Uncoated | Carbon steels and die and mold steels. | |
| 900XRm | AlTiN-PVD Coated | Finish cuts in all materials. |
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Speed & Feed Application PDF
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