Niagara Cutter → RobbJack cross-reference
Running Niagara Cutter — known for solid-carbide end mills across steels, stainless, and aluminum (now part of Seco)? Enter your Niagara Cutter part number below and we'll look up its specs, then match the closest RobbJack equivalent. Cross a Niagara EDP to the RobbJack equivalent by exact dimensions — with per-tool speeds & feeds and USA manufacturing, no renumbering roulette.
What is a good alternative to Niagara Cutter end mills?
The closest USA-made alternative to Niagara Cutter end mills is RobbJack, an employee-owned manufacturer that has built solid carbide cutting tools in Lincoln, California since 1959. Niagara Cutter's S404, SC406 and C430 lines cross most often to RobbJack's C1 line, with free tested speeds and feeds, CAD and CAM libraries, and a performance guarantee on a trial tool — enter any Niagara Cutter part number below and we match the closest RobbJack equivalent by actual spec, not by catalog page.
| Niagara Cutter | Sizes | RobbJack equivalent | Why it crosses |
|---|---|---|---|
| S404 | .125"–2" | C1C-2 Grade Carbide End Mill | Same 4-flute, square end geometry; 55% of the sizes we checked have an exact RobbJack standard. |
| SC406 | .125"–2" | C1C-2 Grade Carbide End Mill | Same 4-flute, square end geometry; 72% of the sizes we checked have an exact RobbJack standard. |
| C430 | .016"–1.25" | C1C-2 Grade Carbide End Mill | Same 4-flute, square end geometry; 94% of the sizes we checked have an exact RobbJack standard. |
| C230 | .031"–1" | C1C-2 Grade Carbide End Mill | Same 2-flute, square end geometry; 97% of the sizes we checked have an exact RobbJack standard. |
| SPC408 | .125"–2" | C1C-2 Grade Carbide End Mill | Same 4-flute, square end geometry; 71% of the sizes we checked have an exact RobbJack standard. |
| REM710 | .188"–2" | SPSSPS Super Python Series | Same 4-flute, corner radius geometry; 53% of the sizes we checked have an exact RobbJack standard. |
| CB230 | .016"–1" | BTuffy Grade Carbide Ball End Mill | Same 2-flute, ball end geometry; 97% of the sizes we checked have an exact RobbJack standard. |
| S545R | .125"–1" | SPSSPS Super Python Series | Same 5-flute, corner radius geometry; 87% of the sizes we checked have an exact RobbJack standard. |
Matched by RobbJack's cross-reference engine against Niagara Cutter's published end mill specs, exact standard sizes only. Your exact part number below gives the size-for-size match.
Switching to RobbJack?
Enter your current tool's part number and we'll look up its specs — or type them in — and match the closest RobbJack equivalent, ranked by fit, with speeds & feeds and a quote one click away.
Crossing a Niagara Cutter tool to RobbJack
There's no universal part-number standard across cutting-tool brands, so we match on what actually determines performance: cutting diameter, flute count, end type and corner radius, length of cut, work material, and coating. Enter your Niagara Cutter part number and we'll look up those specs automatically — or type in what you know. RobbJack matches your size to its nearest standard (for example RobbJack's .030 corner radius for a .031), and you can require an exact match or allow a near-size upgrade.
Don't see a match? RobbJack builds a huge range of specials. Send us the Niagara Cutter part number and our application engineers will cross-reference it directly — often a longer-lasting, faster-cutting upgrade, not just a like-for-like swap. Niagara Cutter is a trademark of its owner; RobbJack is not affiliated with Niagara Cutter, and cross-references are for identification only.
How do I cross-reference a Niagara Cutter part number to RobbJack?
Enter the Niagara Cutter part number in the cross-reference tool on this page. It looks up that tool's specs and matches the closest RobbJack standard on what determines performance — cutting diameter, flute count, end type and corner radius, length of cut, work material and coating. If nothing matches, send the part number and a RobbJack application engineer will cross it by hand.
What is the RobbJack equivalent of Niagara Cutter S404?
Niagara Cutter S404 4-flute end mills most often cross to the RobbJack C1 line (C-2 Grade Carbide End Mill) — for example C1-401-06. Same 4-flute, square end geometry; 55% of the sizes we checked have an exact RobbJack standard. Enter your exact Niagara Cutter part number in the tool on this page for the size-for-size match.
Popular Niagara Cutter part numbers and their RobbJack equivalents
- N00001→ RobbJack HM-402-04
- N00004→ RobbJack SPS-401-08-060
- N00005→ RobbJack SPS-401-08-060
- N00011→ RobbJack SPS-401-16-120
- N00012→ RobbJack SPS-501-16-120
- N00013→ RobbJack SPS-501-20-120
- N00305→ RobbJack HM-402-04
- N08688→ RobbJack AL3-303-16
- N08694→ RobbJack AL3-303-20
- N08698→ RobbJack AL3-303-24
- N08706→ RobbJack AL3-303-32
- N08738→ RobbJack ST-360-16
- N08746→ RobbJack ST-360-20
- N08748→ RobbJack ST-360-24
- N08754→ RobbJack STR-303-32
- N14554→ RobbJack HM-402-06