Description
Tweco / Weldskill 15H Series #5 MIG Contact Tips
Product Description
Heavy‑duty, performance contact tips for #5 Tweco welding torches. Designed for high amp MIG applications (up to ~500 A), these contact tips are precision made to ensure excellent wire feed, stable arcs, long life, and reliable conductivity. Each tip is clearly marked with its wire size and part number for quick identification.
Key Features
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Made from 122 DHP copper alloy for high electrical conductivity and heat dissipation.
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Machined or gun‑drilled bore with smooth inside surface to reduce friction, wire burn back, and improve feed consistency.
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Tight internal diameter tolerance (± 0.003 in) ensures good fit for wire size and reduced arc instability.
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Standard #5 Tweco (Weldskill / Spray‑Master) thread: 5/16‑18 UNC‑2A. Ensures proper mating with diffusers / gas cups.
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Overall length ~1.97 in (≈ 50 mm) to suit standard #5 torch geometry.
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Marked with wire diameter / part number for fast identification during maintenance or swaps.
Sizes & Spec Summary
| Part No. / Series | Wire Size | Nominal Bore (Inside Diameter) | OD / Body Diameter* | Use / Application |
|---|---|---|---|---|
| 15H‑40 | ~1.0 mm (≈ .040‑.045 in) | ~0.049 ‑ 0.050 in (≈ 1.25 mm) | ~0.345 in OD | Light to medium wire applications; moderate current jobs. |
| 15H‑45 | ~1.2 mm (≈ .045 in) | ~0.054 in (≈ 1.37 mm) | similar body | More demanding applications; heavier wire feed needed. |
| 15H‑52 | ~1.4 mm (≈ .052 in) | ~0.064 in (≈ 1.63 mm) | “ ” | High‑current work, thicker material, more deposition. |
| 15H‑116 | ~1.6 mm wire | (approx bore ~0.073‑0.075 in = ~1.85‑1.90 mm) | “ ” | Heavy duty welding with 1.6 mm wire on #5 gun; suitable for thick metal and long runs. Please verify exact bore for your supplier |
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