Kennametal HPHV1000S4200R030 KC633M 1in 4-Flute Carbide End Mill
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This is a new Kennametal HARVI series HPHV1000S4200R030 solid carbide end mill in grade KC633M, a high-performance AlTiN-based PVD-coated submicron carbide substrate engineered for aggressive milling of steels, stainless steels, and high-temperature alloys. The part number decodes as follows: HPHV = HARVI High-Performance High-Velocity end mill series; 1000 = 1.000 in (25.4 mm) cutting diameter; S = straight shank with weldon flats; 4200 = 4.200 in flute length (extra-long); 4 flutes (confirmed by visual and label 'X2X4' notation indicating 1 in shank × 2 in LOC × 4 flutes); R030 = 0.030 in corner radius. The KC633M PVD coating provides a smooth, hard surface that reduces built-up edge and extends tool life in dry or near-dry cutting conditions, and the variable helix/pitch geometry visible in the photos suppresses chatter during high-speed and high-depth-of-cut operations. This end mill accepts standard Weldon-flat side-lock toolholders in 1 in bore and is suited for CNC machining centers performing roughing and semi-finishing passes in ferrous materials.
Product Specifications
| Brand | Kennametal |
| Series | HARVI HPHV |
| MPN | HPHV1000S4200R030 |
| Grade | KC633M |
| Substrate | Solid Carbide (submicron) |
| Coating | AlTiN PVD (KC633M) |
| Cutting Diameter | 1.000 in (25.4 mm) |
| Number of Flutes | 4 |
| Corner Radius | 0.030 in (0.762 mm) |
| Shank Diameter | 1.000 in |
| Shank Type | Straight w/ Weldon Flats |
| Flute Length | 4.200 in (106.68 mm) |
| Helix Type | Variable helix/pitch |
| End Geometry | Square end w/ corner radius |
| Country of Origin | USA |
| Condition | New |
| Compatible Toolholder Bore | 1 in Weldon side-lock |
| Application Materials | Steel, stainless steel, high-temp alloys |