Genuine Harris 2890-4P Trailer Hitch Parts Weld deposits have a martensitic

Weld deposits have a martensitic structure that resists wear even in metal-to-metal mild steel contact

Threads are 3 1/2" diameter

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Harris 6290 Tip Nut for Adaptors

72-3 Cutting Attachment

Genuine Harris 2890-4P Trailer Hitch Parts Weld deposits have a martensiticHarris 2890 cutting tips are for the Harris foundry style torch model 28 that is now discontinued. The foundry torch is heavy duty and does not have a mixer in the head. The mixer is located right in the tip. So each time you change tips, you get a new gas mixer. This 2890 4P two piece cutting tip for use with LP, propane or natural gas. It will cut up to 4" thick steel plate.