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LMT Onsrud 10-20 — RobbJack equivalent

The closest RobbJack standard to the LMT Onsrud 10-20 (0.125″ diameter, 1 flutes, Square End, 0.5″ length of cut) is the PM-104-04 — 1 Flute Up Shear Polished Flute Carbide Router for Plastics and Aluminum. Match: exact diameter, 1 flutes, square end (100% on RobbJack's cross-reference engine). US list price $35.55, made to order (lead time confirmed at order).

Specs side by side
SpecLMT Onsrud 10-20RobbJack PM-104-04
TypeRouterEnd Mill / Router
Cutting diameter0.125″ (3.17 mm)0.125″ (3.17 mm)
Flutes11
EndSquare EndSquare End
Length of cut0.5″0.5″
Shank0.25″0.125″
Coating—Uncoated

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LMT Onsrud and the part number 10-20 are the property of their owner and are used only to identify a compatible RobbJack tool; RobbJack is not affiliated with LMT Onsrud. Specs shown for the LMT Onsrud tool are as published by its maker; cross-reference results are suggestions — verify suitability for your application.