Carbide High-Helical End Mills (4F)
4-flute solid-carbide square end mill for machining steel and stainless steel, with a high helix angle. Available uncoated or OK Premium coated, Ø3–25 mm (45 catalogue items). Ships in 2 coating options. Rated for ISO P/M material classes.
Engineered for performance
Solid-Carbide Substrate, Uncoated or OK Premium
Ships in 2 coating options — uncoated or OK Premium coated — across all 45 catalogue sizes.
4-Flute Regular/Long/Slim Shank Sub-Series
A fixed 4-flute high-helix-angle geometry with a Regular Type / Long Type / Slim Shank sub-series split — the steel/stainless (P/M-rated) counterpart to the Aluminum High-Helical End Mills line's 3-flute Standard/Long Neck/Long Flute split.
Steel & Stainless Coverage
Rated for ISO P (steel) and M (stainless steel) material groups.
Ø3–25 mm, 45–150 mm Overall Length
Diameters run Ø3–25 mm, with overall lengths from 45 to 150 mm across 45 sizes.
Material applicability
Sizes & part numbers
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| ORDER NO. | FLUTES | Ø | FLUTE L | OAL | SHANK | COATING |
|---|---|---|---|---|---|---|
| SEE4-030 | - | 3 mm | 10 | 45 | 6 | Uncoated |
| SEE4L-030 | 4 | 3 mm | 15 | 70 | 6 | Uncoated |
| SEE4LA030 | 4 | 3 mm | 15 | 70 | 6 | OK Premium |
| SEE4-040 | - | 4 mm | 12 | 45 | 6 | Uncoated |
| SEE4L-040 | 4 | 4 mm | 20 | 70 | 6 | Uncoated |
| SEE4LA040 | 4 | 4 mm | 20 | 70 | 6 | OK Premium |
| SEE4-050 | - | 5 mm | 15 | 50 | 6 | Uncoated |
| SEE4L-050 | 4 | 5 mm | 25 | 80 | 6 | Uncoated |
| SEE4LA050 | 4 | 5 mm | 25 | 80 | 6 | OK Premium |
| SEE4TL-050 | 4 | 5 mm | 8 | 70 | 4 | Uncoated |
| SEE4TLA050 | 4 | 5 mm | 8 | 70 | 4 | OK Premium |
| SEE4-060 | - | 6 mm | 15 | 50 | 6 | Uncoated |
| SEE4L-060 | 4 | 6 mm | 30 | 80 | 6 | Uncoated |
| SEE4LA060 | 4 | 6 mm | 30 | 80 | 6 | OK Premium |
| SEE4TL-070 | 4 | 7 mm | 12 | 80 | 6 | Uncoated |
| SEE4TLA070 | 4 | 7 mm | 12 | 80 | 6 | OK Premium |
| SEE4-080 | - | 8 mm | 20 | 60 | 8 | Uncoated |
| SEE4L-080 | 4 | 8 mm | 36 | 90 | 8 | Uncoated |
| SEE4LA080 | 4 | 8 mm | 36 | 90 | 8 | OK Premium |
| SEE4TL-090 | 4 | 9 mm | 15 | 90 | 8 | Uncoated |
| SEE4TLA090 | 4 | 9 mm | 15 | 90 | 8 | OK Premium |
| SEE4-100 | - | 10 mm | 25 | 70 | 10 | Uncoated |
| SEE4L-100 | 4 | 10 mm | 45 | 100 | 10 | Uncoated |
| SEE4LA100 | 4 | 10 mm | 45 | 100 | 10 | OK Premium |
| SEE4TL-110 | 4 | 11 mm | 18 | 100 | 10 | Uncoated |
| SEE4TLA110 | 4 | 11 mm | 18 | 100 | 10 | OK Premium |
| SEE4-120 | - | 12 mm | 30 | 75 | 12 | Uncoated |
| SEE4L-120 | 4 | 12 mm | 50 | 110 | 12 | Uncoated |
| SEE4LA120 | 4 | 12 mm | 50 | 110 | 12 | OK Premium |
| SEE4-140 | - | 14 mm | 34 | 90 | 12 | Uncoated |
| SEE4TL-140 | 4 | 14 mm | 20 | 110 | 12 | Uncoated |
| SEE4TLA140 | 4 | 14 mm | 20 | 110 | 12 | OK Premium |
| SEE4-160 | - | 16 mm | 36 | 90 | 16 | Uncoated |
| SEE4L-160 | 4 | 16 mm | 64 | 140 | 16 | Uncoated |
| SEE4LA160 | 4 | 16 mm | 64 | 140 | 16 | OK Premium |
| SEE4-180 | - | 18 mm | 40 | 100 | 16 | Uncoated |
| SEE4TL-180 | 4 | 18 mm | 28 | 140 | 16 | Uncoated |
| SEE4TLA180 | 4 | 18 mm | 28 | 140 | 16 | OK Premium |
| SEE4-200 | - | 20 mm | 45 | 105 | 20 | Uncoated |
| SEE4L-200 | 4 | 20 mm | 80 | 150 | 20 | Uncoated |
| SEE4LA200 | 4 | 20 mm | 80 | 150 | 20 | OK Premium |
| SEE4-220 | - | 22 mm | 46 | 120 | 20 | Uncoated |
| SEE4TL-220 | 4 | 22 mm | 32 | 150 | 20 | Uncoated |
| SEE4TLA220 | 4 | 22 mm | 32 | 150 | 20 | OK Premium |
| SEE4-250 | - | 25 mm | 50 | 120 | 25 | Uncoated |
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