Hard Carbide Square End Mills (4/6F)
4/6-flute solid-carbide square end mill for machining hardened steel. OK Hard coated, Ø3–20 mm (15 catalogue items). Ships in a single coating option. Rated for ISO H material classes. Part of Okazaki's milling tool range. Cataloged under the SHE order-code prefix.
Engineered for performance
Solid-Carbide Substrate, OK Hard Coating
OK Hard coating is standard — no uncoated option — across all 15 catalogue sizes, catalogued under the SHE order-code prefix.
4/6-Flute Choice
A 2-way flute-count choice (4F/6F) for hardened-steel milling.
Hardened-Steel Specialist
Rated for ISO H (hardened steel) material class only.
Ø3–20 mm, 50–150 mm Overall Length
Diameters run Ø3–20 mm, with overall lengths from 50 to 150 mm across 15 sizes.
Material applicability
Sizes & part numbers
SHE4H-1 🔍 Click to zoom 
SHE4H-2 🔍 Click to zoom No sizes match those filters.
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| ORDER NO. | FLUTES | Ø | FLUTE L | OAL | SHANK | COATING |
|---|---|---|---|---|---|---|
| SHE4H030 | 4 | 3 mm | 10 | 50 | 6 | OK Hard |
| SHE6H040 | 6 | 4 mm | 12 | 50 | 6 | OK Hard |
| SHE6H050 | 6 | 5 mm | 15 | 50 | 6 | OK Hard |
| SHE6H060 | 6 | 6 mm | 15 | 50 | 6 | OK Hard |
| SHE6LH060 | 6 | 6 mm | 15 | 80 | 6 | OK Hard |
| SHE6H080 | 6 | 8 mm | 20 | 60 | 8 | OK Hard |
| SHE6LH080 | 6 | 8 mm | 20 | 90 | 8 | OK Hard |
| SHE6H100 | 6 | 10 mm | 25 | 70 | 10 | OK Hard |
| SHE6LH100 | 6 | 10 mm | 25 | 100 | 10 | OK Hard |
| SHE6H120 | 6 | 12 mm | 30 | 75 | 12 | OK Hard |
| SHE6LH120 | 6 | 12 mm | 30 | 110 | 12 | OK Hard |
| SHE6H160 | 6 | 16 mm | 36 | 90 | 16 | OK Hard |
| SHE6LH160 | 6 | 16 mm | 40 | 140 | 16 | OK Hard |
| SHE6H200 | 6 | 20 mm | 45 | 105 | 20 | OK Hard |
| SHE6LH200 | 6 | 20 mm | 45 | 150 | 20 | OK Hard |
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