HP-MAX General Machining Carbide End Mills
General-purpose solid carbide end mills for everyday milling: 2-flute ball nose, 2/4-flute flat, 4-flute radius and long-shank types, covering R0.5–R6.0 mm ball nose and D1.0–D20.0 mm flat.
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Product information
The HP-MAX general machining series is the standard solid carbide end mill line in the Koves 2025 Solid Round Cutting Tools catalog (section L02–L07). It covers six cutter types: HPB230 2-flute ball nose (R0.5–R6.0), HPR435 4-flute radius (D1.0–D12.0), HPE435 4-flute flat (D1.0–D20.0), HPEL435 4-flute long-shank flat (D3.0–D12.0), HPE235 2-flute flat (D1.0–D20.0) and HPEL235 2-flute long-shank flat (D3.0–D12.0). Model numbers encode series, cutter type, helix angle, flute count, cutting diameter, corner radius, cutting length, overall length and shank diameter.
Specifications
| Cutter types | HPB230 2-flute ball nose; HPR435 4-flute radius; HPE435 4-flute flat; HPEL435 4-flute long-shank flat; HPE235 2-flute flat; HPEL235 2-flute long-shank flat |
|---|---|
| Diameter range | R0.5–R6.0 mm ball nose; D1.0–D20.0 mm flat; D1.0–D12.0 mm radius; D3.0–D12.0 mm long-shank |
| Helix angle / flutes | 30° helix 2-flute ball nose; 35° helix 4-flute radius and flat; 35° helix 2-flute flat (per catalog model code explanation) |
| Example stock models | HPB230-010020-050-S04; HPE435-060150-050-S06; HPR435-060160R0.5-050-S06; HPE235-100250-075-S10 |
Available sizes
Model codes and dimensions reproduced from the Koves 2025 Solid Round Cutting Tools catalog. Stock items are listed in the catalog, not confirmed live — ask us for current availability.
HP-MAX Ball End Mill, 2-Flute, 30° helix
Catalog page 4 · 18 sizes · code HPB230
| Model | Dia. (mm) | Ball radius (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|---|
| HPB230-010020-050-S04 | 1.0 | 0.5 | 2 | 50 | 4 |
| HPB230-015030-050-S04 | 1.5 | 0.75 | 3 | 50 | 4 |
| HPB230-020040-050-S04 | 2.0 | 1 | 4 | 50 | 4 |
| HPB230-030060-050-S04 | 3.0 | 1.5 | 6 | 50 | 4 |
| HPB230-030060-050-S06 | 3.0 | 1.5 | 6 | 50 | 6 |
| HPB230-040080-050-S04 | 4.0 | 2 | 8 | 50 | 4 |
| HPB230-040080-050-S06 | 4.0 | 2 | 8 | 50 | 6 |
| HPB230-050100-050-S06 | 5.0 | 2.5 | 10 | 50 | 6 |
| HPB230-060120-050-S06 | 6.0 | 3 | 12 | 50 | 6 |
| HPB230-060120-075-S06 | 6.0 | 3 | 12 | 75 | 6 |
| HPB230-060120-100-S06 | 6.0 | 3 | 12 | 100 | 6 |
| HPB230-080160-060-S08 | 8.0 | 4 | 16 | 60 | 8 |
| HPB230-080160-075-S08 | 8.0 | 4 | 16 | 75 | 8 |
| HPB230-080160-100-S08 | 8.0 | 4 | 16 | 100 | 8 |
| HPB230-100200-075-S10 | 10.0 | 5 | 20 | 75 | 10 |
| HPB230-100200-100-S10 | 10.0 | 5 | 20 | 100 | 10 |
| HPB230-120240-075-S12 | 12.0 | 6 | 24 | 75 | 12 |
| HPB230-120240-100-S12 | 12.0 | 6 | 24 | 100 | 12 |
HP-MAX Radius End Mill, 4-Flute, 35° helix
Catalog page 5 · 30 sizes · code HPR435
| Model | Dia. (mm) | Corner radius (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|---|
| HPR435-010030R0.2-050-S04 | 1 | R0.2 | 3 | 50 | 4 |
| HPR435-020060R0.2-050-S04 | 2 | R0.2 | 6 | 50 | 4 |
| HPR435-030090R0.2-050-S04 | 3 | R0.2 | 9 | 50 | 4 |
| HPR435-030090R0.5-050-S04 | 3 | R0.5 | 9 | 50 | 4 |
| HPR435-040110R0.2-050-S04 | 4 | R0.2 | 11 | 50 | 4 |
| HPR435-040110R0.5-050-S04 | 4 | R0.5 | 11 | 50 | 4 |
| HPR435-050130R0.2-050-S06 | 5 | R0.2 | 13 | 50 | 6 |
| HPR435-050130R0.5-050-S06 | 5 | R0.5 | 13 | 50 | 6 |
| HPR435-050130R1.0-050-S06 | 5 | R1.0 | 13 | 50 | 6 |
| HPR435-060160R0.2-050-S06 | 6 | R0.2 | 16 | 50 | 6 |
| HPR435-060160R0.5-050-S06 | 6 | R0.5 | 16 | 50 | 6 |
| HPR435-060160R1.0-050-S06 | 6 | R1.0 | 16 | 50 | 6 |
| HPR435-060160R0.5-075-S06 | 6 | R0.5 | 16 | 75 | 6 |
| HPR435-060160R1.0-075-S06 | 6 | R1.0 | 16 | 75 | 6 |
| HPR435-060160R0.5-100-S06 | 6 | R0.5 | 16 | 100 | 6 |
| HPR435-060160R1.0-100-S06 | 6 | R1.0 | 16 | 100 | 6 |
| HPR435-080200R0.5-060-S08 | 8 | R0.5 | 20 | 60 | 8 |
| HPR435-080200R1.0-060-S08 | 8 | R1.0 | 20 | 60 | 8 |
| HPR435-080200R0.5-075-S08 | 8 | R0.5 | 20 | 75 | 8 |
| HPR435-080200R1.0-075-S08 | 8 | R1.0 | 20 | 75 | 8 |
| HPR435-080200R0.5-100-S08 | 8 | R0.5 | 20 | 100 | 8 |
| HPR435-080200R1.0-100-S08 | 8 | R1.0 | 20 | 100 | 8 |
| HPR435-100250R0.5-075-S10 | 10 | R0.5 | 25 | 75 | 10 |
| HPR435-100250R1.0-075-S10 | 10 | R1.0 | 25 | 75 | 10 |
| HPR435-100250R0.5-100-S10 | 10 | R0.5 | 25 | 100 | 10 |
| HPR435-100250R1.0-100-S10 | 10 | R1.0 | 25 | 100 | 10 |
| HPR435-120300R0.5-075-S12 | 12 | R0.5 | 30 | 75 | 12 |
| HPR435-120300R1.0-075-S12 | 12 | R1.0 | 30 | 75 | 12 |
| HPR435-120300R0.5-100-S12 | 12 | R0.5 | 30 | 100 | 12 |
| HPR435-120300R1.0-100-S12 | 12 | R1.0 | 30 | 100 | 12 |
HP-MAX Flat End Mill, 4-Flute, 35° helix
Catalog page 5 · 16 sizes · code HPE435
| Model | Dia. (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|
| HPE435-010030-050-S04 | 1.0 | 3 | 50 | 4 |
| HPE435-015040-050-S04 | 1.5 | 4 | 50 | 4 |
| HPE435-020060-050-S04 | 2 | 6 | 50 | 4 |
| HPE435-025070-050-S04 | 2.5 | 7 | 50 | 4 |
| HPE435-030090-050-S04 | 3 | 9 | 50 | 4 |
| HPE435-040120-050-S04 | 4 | 12 | 50 | 4 |
| HPE435-040120-050-S06 | 4 | 12 | 50 | 6 |
| HPE435-050130-050-S06 | 5 | 13 | 50 | 6 |
| HPE435-060150-050-S06 | 6 | 15 | 50 | 6 |
| HPE435-080200-060-S08 | 8 | 20 | 60 | 8 |
| HPE435-100250-075-S10 | 10 | 25 | 75 | 10 |
| HPE435-120300-075-S12 | 12 | 30 | 75 | 12 |
| HPE435-140400-100-S14 | 14 | 40 | 100 | 14 |
| HPE435-160450-100-S16 | 16 | 45 | 100 | 16 |
| HPE435-180500-100-S18 | 18 | 50 | 100 | 18 |
| HPE435-200500-100-S20 | 20 | 50 | 100 | 20 |
HP-MAX Long Shank Flat End Mill, 4-Flute, 35° helix
Catalog page 6 · 12 sizes · code HPEL435
| Model | Dia. (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|
| HPEL435-030090-075-S04 | 3 | 9 | 75 | 4 |
| HPEL435-030090-100-S04 | 3 | 9 | 100 | 4 |
| HPEL435-040120-075-S04 | 4 | 12 | 75 | 4 |
| HPEL435-040120-100-S04 | 4 | 12 | 100 | 4 |
| HPEL435-050160-075-S06 | 5 | 16 | 75 | 6 |
| HPEL435-050160-100-S06 | 5 | 16 | 100 | 6 |
| HPEL435-060180-075-S06 | 6 | 18 | 75 | 6 |
| HPEL435-060180-100-S06 | 6 | 18 | 100 | 6 |
| HPEL435-080250-075-S08 | 8 | 25 | 75 | 8 |
| HPEL435-080250-100-S08 | 8 | 25 | 100 | 8 |
| HPEL435-100300-100-S10 | 10 | 30 | 100 | 10 |
| HPEL435-120360-100-S12 | 12 | 36 | 100 | 12 |
HP-MAX Flat End Mill, 2-Flute, 35° helix
Catalog page 6 · 16 sizes · code HPE235
| Model | Dia. (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|
| HPE235-010030-050-S04 | 1.0 | 3 | 50 | 4 |
| HPE235-015040-050-S04 | 1.5 | 4 | 50 | 4 |
| HPE235-020060-050-S04 | 2 | 6 | 50 | 4 |
| HPE235-025070-050-S04 | 2.5 | 7 | 50 | 4 |
| HPE235-030090-050-S04 | 3 | 9 | 50 | 4 |
| HPE235-040120-050-S04 | 4 | 12 | 50 | 4 |
| HPE235-040120-050-S06 | 4 | 12 | 50 | 6 |
| HPE235-050130-050-S06 | 5 | 13 | 50 | 6 |
| HPE235-060150-050-S06 | 6 | 15 | 50 | 6 |
| HPE235-080200-060-S08 | 8 | 20 | 60 | 8 |
| HPE235-100250-075-S10 | 10 | 25 | 75 | 10 |
| HPE235-120300-075-S12 | 12 | 30 | 75 | 12 |
| HPE235-140400-100-S14 | 14 | 40 | 100 | 14 |
| HPE235-160450-100-S16 | 16 | 45 | 100 | 16 |
| HPE235-180500-100-S18 | 18 | 50 | 100 | 18 |
| HPE235-200500-100-S20 | 20 | 50 | 100 | 20 |
HP-MAX Long Shank Flat End Mill, 2-Flute, 35° helix
Catalog page 7 · 12 sizes · code HPEL235
| Model | Dia. (mm) | Flute length (mm) | Overall length (mm) | Shank dia. (mm) |
|---|---|---|---|---|
| HPEL235-030090-075-S04 | 3 | 9 | 75 | 4 |
| HPEL235-030090-100-S04 | 3 | 9 | 100 | 4 |
| HPEL235-040120-075-S04 | 4 | 12 | 75 | 4 |
| HPEL235-040120-100-S04 | 4 | 12 | 100 | 4 |
| HPEL235-050160-075-S06 | 5 | 16 | 75 | 6 |
| HPEL235-050160-100-S06 | 5 | 16 | 100 | 6 |
| HPEL235-060180-075-S06 | 6 | 18 | 75 | 6 |
| HPEL235-060180-100-S06 | 6 | 18 | 100 | 6 |
| HPEL235-080250-075-S08 | 8 | 25 | 75 | 8 |
| HPEL235-080250-100-S08 | 8 | 25 | 100 | 8 |
| HPEL235-100300-100-S10 | 10 | 30 | 100 | 10 |
| HPEL235-120360-100-S12 | 12 | 36 | 100 | 12 |
How to read the model number
The catalog page “Detailed explanation of the model” reads a code left to right as series, cutter type, length mark, flutes, helix angle, cutting diameter, corner radius, cutting length, overall length and shank diameter. The original diagram is reproduced here:
Source: source-excerpts/catalog-2025-pages-3-4-milling-contents-model-code.txt — Original PDF page 4