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Kennametal GOmill PRO Ball Nose End Mill — Necked — Plain Shank — Metric
Kennametal GOmill PRO Ball Nose End Mill — Necked — Plain Shank — Metric
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Kennametal GOmill PRO four-flute ball nose end mills with cylindrical shanks and a necked profile, listed in metric sizes. Compare cutting diameter, cutting depth and overall length for the exact material number. Check the published neck dimensions for your selected configuration, then request a quote.
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Technical Specifications
Tool configurations
| Article ID | Configuration | Cutting diameter D1 [mm] | Maximum cutting depth AP1MAX [mm] | Usable length L3 [mm] | Overall length L [mm] | Shank diameter D [mm] | Neck diameter D3 [mm] | Ball nose radius R [mm] | ISO catalog number | Grade | Flutes | Shank style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7231264 | GOPR4BN0500R013HAM | 5 | 13 | 18 | 57 | 6 | 4.7 | 2.5 | GOPR4BN0500R013HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231266 | GOPR4BN0600R013HAM | 6 | 13 | 21 | 57 | 6 | 5.64 | 3 | GOPR4BN0600R013HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231268 | GOPR4BN0800R019HAM | 8 | 19 | 27 | 63 | 8 | 7.52 | 4 | GOPR4BN0800R019HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231270 | GOPR4BN1000R022HAM | 10 | 22 | 32 | 72 | 10 | 9.4 | 5 | GOPR4BN1000R022HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231272 | GOPR4BN1200R026HAM | 12 | 26 | 30 | 83 | 12 | 11.28 | 6 | GOPR4BN1200R026HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231274 | GOPR4BN1600R032HAM | 16 | 32 | 38 | 92 | 16 | 15.04 | 8 | GOPR4BN1600R032HAM | KCU20 | 4 | Straight-Cylindrical |
| 7231276 | GOPR4BN2000S038HAM | 20 | 38 | 50 | 104 | 20 | 18.8 | 10 | GOPR4BN2000S038HAM | KCU20 | 4 | Straight-Cylindrical |
Technical documents
Compare With Similar Items
| Product | 
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|---|---|---|
| Description | Kennametal GOmill PRO four-flute ball nose end mills with cylindrical shanks and a necked profile, listed in metric sizes. Compare cutting diameter, cutting depth and overall length for the exact material number. Check the published neck dimensions for your selected configuration, then request a quote. |
Kennametal GOmill PRO four-flute ball nose end mills with Weldon shanks and a necked profile, listed in metric sizes. Compare cutting diameter, cutting depth and overall length for the exact material number. Check the published neck dimensions for your selected configuration, then request a quote. |
| Price | Pricing by quote
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Technical guidance & FAQs
Applications and materials
Choosing a configuration
Compatibility and use
Technical documents
When is a ball nose useful?
Its rounded end profile suits contoured and 3D surfaces. Match diameter and contact geometry to the surface being machined.
What does the necked design add?
The reduced neck provides clearance behind the flutes. Verify neck diameter and usable length against the feature, separately from cutting depth.
What distinguishes the cylindrical-shank version?
The cylindrical shank is part of the holder-interface selection. Match its exact diameter and holder acceptance as well as the cutting geometry.
