NACHI SRE Roughing End Mill (4/5/6F)
4/5/6-flute HSS-Co square end mill for machining steel, stainless steel and non-ferrous metals, for high-efficiency roughing. Ø6–50 mm in 2 mm diameter increments (19 catalogue items). Ships in a single coating option. Part of NACHI's milling tool range.
Engineered for performance
HSS-Co Substrate, Uncoated
A cobalt-alloyed high-speed-steel body with no coating, across all 19 catalogue sizes.
4/5/6-Flute Roughing Geometry
A 3-way flute-count choice (4F/5F/6F) under the catalogue's own "Roughing" designation, for high material-removal-rate cuts.
Steel, Stainless & Non-Ferrous Coverage
Rated for ISO P (steel), M (stainless steel) and N (non-ferrous metal) material groups.
Ø6–50 mm, 60–160 mm Overall Length
Diameters run Ø6–50 mm in 2 mm increments, with overall lengths from 60 to 160 mm across 19 sizes.
High-Efficiency Roughing
The catalogue's own "Roughing" line name signals this end mill is purpose-built for bulk stock removal, not finishing passes.
Sizes & part numbers
No sizes match those filters.
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| ORDER NO. | FLUTES | Ø | FLUTE L | OAL | SHANK | COATING |
|---|---|---|---|---|---|---|
| SRE6 | 4 | 6 mm | 15 | 60 | 6 | HSSCO |
| SRE8 | 4 | 8 mm | 20 | 65 | 10 | HSSCO |
| SRE10 | 4 | 10 mm | 25 | 75 | 10 | HSSCO |
| SRE12 | 4 | 12 mm | 30 | 80 | 12 | HSSCO |
| SRE14 | 4 | 14 mm | 35 | 90 | 16 | HSSCO |
| SRE15 | 4 | 15 mm | 35 | 90 | 16 | HSSCO |
| SRE16 | 4 | 16 mm | 40 | 95 | 16 | HSSCO |
| SRE18 | 4 | 18 mm | 40 | 105 | 20 | HSSCO |
| SRE20 | 4 | 20 mm | 45 | 110 | 20 | HSSCO |
| SRE22 | 4 | 22 mm | 45 | 110 | 20 | HSSCO |
| SRE24 | 4 | 24 mm | 50 | 120 | 25 | HSSCO |
| SRE25 | 5 | 25 mm | 50 | 120 | 25 | HSSCO |
| SRE28 | 5 | 28 mm | 55 | 125 | 25 | HSSCO |
| SRE30 | 5 | 30 mm | 55 | 140 | 32 | HSSCO |
| SRE32 | 5 | 32 mm | 60 | 145 | 32 | HSSCO |
| SRE35 | 5 | 35 mm | 60 | 145 | 32 | HSSCO |
| SRE40 | 5 | 40 mm | 65 | 150 | 42 | HSSCO |
| SRE45 | 6 | 45 mm | 70 | 155 | 42 | HSSCO |
| SRE50 | 6 | 50 mm | 70 | 160 | 42 | HSSCO |
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