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YG-1 → RobbJack cross-reference

Running YG-1 — known for broad-range solid-carbide and HSS cutting tools? Enter your YG-1 part number below and we'll look up its specs, then match the closest RobbJack equivalent. Trade up from a YG-1 standard to a RobbJack solid-carbide equivalent built and ground in the USA.

What is a good alternative to YG-1 end mills?

The closest USA-made alternative to YG-1 end mills is RobbJack, an employee-owned manufacturer that has built solid carbide cutting tools in Lincoln, California since 1959. YG-1's E5G97, JAG97 and UGMG22 lines cross most often to RobbJack's AL3 and ST lines, with free tested speeds and feeds, CAD and CAM libraries, and a performance guarantee on a trial tool — enter any YG-1 part number below and we match the closest RobbJack equivalent by actual spec, not by catalog page.

YG-1 end mill lines and the RobbJack line they cross to
YG-1SizesRobbJack equivalentWhy it crosses
E5G97.125"–1"AL33 Flute Aluminum Chatter Reduction Hi-Performance Carbide End MillSame 3-flute, corner radius geometry; 97% of the sizes we checked have an exact RobbJack standard.
JAG97.125"–1"AL33 Flute Aluminum Chatter Reduction Hi-Performance Carbide End MillSame 3-flute, corner radius geometry; 97% of the sizes we checked have an exact RobbJack standard.
UGMG22.250"–1"STSuper Tuffy Grade Carbide End MillSame 6-flute, corner radius geometry; 100% of the sizes we checked have an exact RobbJack standard.
UGMF70.125"–1"SPSSPS Super Python SeriesSame 4-flute, corner radius geometry; 91% of the sizes we checked have an exact RobbJack standard.
E5G98.125"–1"AL33 Flute Aluminum Chatter Reduction Hi-Performance Carbide End MillSame 3-flute, corner radius geometry; 100% of the sizes we checked have an exact RobbJack standard.
JAG98.125"–1"AL33 Flute Aluminum Chatter Reduction Hi-Performance Carbide End MillSame 3-flute, corner radius geometry; 100% of the sizes we checked have an exact RobbJack standard.
UGMF74.125"–1"SPSSPS Super Python SeriesSame 4-flute, corner radius, square end geometry; 100% of the sizes we checked have an exact RobbJack standard.
UGMH09.250"–1"STSuper Tuffy Grade Carbide End MillSame 6-flute, corner radius geometry; 100% of the sizes we checked have an exact RobbJack standard.

Matched by RobbJack's cross-reference engine against YG-1's published end mill specs, exact standard sizes only. Your exact part number below gives the size-for-size match.

Have the part number?

We'll look up its specs and fill this in for you.

Tool specs

Diameter matters most. Adjust anything the lookup got wrong.

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 YG-1 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 YG-1 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 YG-1 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. YG-1 is a trademark of its owner; RobbJack is not affiliated with YG-1, and cross-references are for identification only.

How do I cross-reference a YG-1 part number to RobbJack?

Enter the YG-1 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 YG-1 E5G97?

YG-1 E5G97 3-flute end mills most often cross to the RobbJack AL3 line (3 Flute Aluminum Chatter Reduction Hi-Performance Carbide End Mill) — for example AL3-303-04-010. Same 3-flute, corner radius geometry; 97% of the sizes we checked have an exact RobbJack standard. Enter your exact YG-1 part number in the tool on this page for the size-for-size match.