(GM839) X-Power Pro Carbide 4Flute Corner Radius End Mill, Stub Length
Y-Coated Stub-Length Corner Radius End Mill
$91.30
INC GST
$83.00
EX GST
Price available on request
Unit price per
Was $125.40
Save 27%
- SKU
- GM839100
Key features
- Y-coated solid carbide construction
- Four flute 30° helix geometry
- Stub length corner radius profile
Made in South Korea
Free standard delivery on orders over
$500.
If you're not 100% happy with your purchase, we'll replace or refund.
Refined surface results
Four flutes support superior workpiece finishes in supported steel machining.
Productive feed potential
Catalogue guidance identifies increased feed rates for productive milling.
Compact radius selection
Stub-length cutters cover 3 to 12 mm diameters and R0.3 to R1.2 radii.
| SKU | Mill Diameter (mm) | Corner Radius (mm) | Overall length (mm) | Shank dia. (mm) | Flutes | Length of cut (mm) | Length below shank (mm) | Neck dia. (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GM839030 | 3.0 | R0.3 | 50.0 | 6.0 | 4 | 4.0 | 7.0 | 2.8 | In stock | $47.26 | ||
| GM839040 | 4.0 | R0.4 | 50.0 | 6.0 | 4 | 5.0 | 9.0 | 3.7 | 1-2 Weeks | $76.40 | ||
| GM839080 | 8.0 | R0.8 | 60.0 | 8.0 | 4 | 10.0 | 18.0 | 7.4 | 1-2 Weeks | $97.70 | ||
| GM839100 | 10.0 | R1.0 | 70.0 | 10.0 | 4 | 12.0 | 25.0 | 9.4 | In stock | $83.00 | ||
| GM839120 | 12.0 | R1.2 | 80.0 | 12.0 | 4 | 15.0 | 30.0 | 11.4 | In stock | $108.40 |
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Product Description
YG-1 X-Power Pro GM839 is a Y-coated solid-carbide four-flute stub-length corner-radius end mill. Designed for tool steels, alloy steels, mould steels and other hardened materials, it supports productive milling. Its 30° helix and four-flute geometry support superior workpiece finishes and increased feed rates. The stub-length format combines 4 to 15 mm cutting lengths with corner-radius geometry.
Available variants cover 3 to 12 mm mill diameters and R0.3 to R1.2 corner radii. Plain shanks range from 6 to 12 mm, while selected overall lengths span 50 to 80 mm. These GM839 end mills suit machining operations where a radiused corner and short length are specified.
- Y-coated solid carbide construction
- Four flute 30° helix geometry
- Stub length corner radius profile
- Designed for tool steels alloy steels mould steels and hardened materials
- 3 to 12 mm mill diameters
- R0.3 to R1.2 corner radii
Product Data
| Cutting Shape | Corner Radius |
| Length | Short, Stub |
| No. Flutes | 4 |
Work materials
VDI 3323 recommendations for this tool.
ExcellentGood
Steel
11 gradesNon-alloy steel
Low-alloy steel
High-alloy and tool steel
Hardened materials
3 gradesHardened steel
Chilled cast iron
Hardened cast iron
Cast iron
6 gradesGrey cast iron
Nodular cast iron
Malleable cast iron
VDI grade reference20 grades
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 1 | PNon-alloy steel | Good | 125 | - |
| 2 | PNon-alloy steel | Good | 190 | 13 |
| 3 | PNon-alloy steel | Good | 250 | 25 |
| 4 | PNon-alloy steel | Excellent | 270 | 28 |
| 5 | PNon-alloy steel | Excellent | 300 | 32 |
| 6 | PLow-alloy steel | Good | 180 | 10 |
| 7 | PLow-alloy steel | Excellent | 275 | 29 |
| 8 | PLow-alloy steel | Excellent | 300 | 32 |
| 9 | PLow-alloy steel | Excellent | 350 | 38 |
| 10 | PHigh-alloy and tool steel | Good | 200 | 15 |
| 11 | PHigh-alloy and tool steel | Excellent | 325 | 35 |
| 15 | KGrey cast iron | Good | 180 | 10 |
| 16 | KGrey cast iron | Good | 260 | 26 |
| 17 | KNodular cast iron | Good | 160 | 3 |
| 18 | KNodular cast iron | Good | 250 | 25 |
| 19 | KMalleable cast iron | Good | 130 | - |
| 20 | KMalleable cast iron | Good | 230 | 21 |
| 38 | HHardened steel | Good | 550 | 55 |
| 40 | HChilled cast iron | Excellent | 400 | 42 |
| 41 | HHardened cast iron | Good | 550 | 55 |
No grades match your search.
HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.
Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.
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