6290A-1 - Harris Style 6290A-1 Acetylene Cutting Tip, Size 1 (1" Cut)

Precision Harris Style Replacement Cutting Tip

The Harris Style 6290A-1 Cutting Tip is a premium-quality generic replacement designed to meet the rigorous demands of industrial oxy-acetylene cutting. Engineered to replicate the performance specifications of the original Harris 6290 series, this tip is compatible with all Harris-style torches and cutting attachments. The "A" designation indicates its specific calibration for Acetylene gas, utilizing a one-piece construction method that is standard for acetylene applications to ensure safety and flame stability.

This specific model is a Size 1, which is calibrated to cut mild steel with a thickness of approximately 1 inch (25.4 mm). The tip features a medium preheat pattern, making it an excellent all-around choice for general fabrication, structural work, and scrap cutting where surface conditions may vary. The medium preheat ensures sufficient thermal energy is transferred to the base metal to maintain the ignition temperature required for the oxidation process, without overheating the edge on cleaner plates.

Constructed from high-grade copper alloy, the 6290A-1 offers superior thermal conductivity, which helps in dissipating heat away from the tip face, reducing the risk of flashbacks and extending the service life of the consumable. The seating surface is machined to tight tolerances to ensure a leak-proof seal when tightened into the torch head. For optimal performance, operators should ensure their oxygen and acetylene pressure settings align with the manufacturer's charts for a Size 1 tip, typically requiring an oxygen pressure range suitable for 1-inch cuts and appropriate fuel pressure.

Whether used in a heavy industrial setting or a small fabrication shop, this Harris Style tip provides a reliable, high-performance alternative to OEM consumables, delivering clean cuts with minimal slag accumulation when used with correct travel speeds and gas settings.