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T-A039CHM - Miller AccuLock S Contact Tips .039 (1.0mm) - 10 Pack

Packaging: 10 per ea
$3.13/ea $22.00/10 per ea only $2.20/eaSave 30%

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OVERVIEW

Smoother Arcs and Fewer Tip Changes

If you are tired of constantly changing contact tips or fighting with an erratic arc, the Miller T-A039CHM AccuLock™ S Contact Tips are the upgrade your MIG gun needs. Designed for the 0.039" (1.0mm) wire commonly used in light-to-medium fabrication, these tips are built to solve the frustrations that welders face daily. Whether you are running a Miller MDX-250 or a Bernard BTB gun, switching to the AccuLock S system means you spend more time welding and less time troubleshooting your front-end consumables.

The secret to the performance lies in how the tip connects to the gun. The AccuLock S tip sits deep inside the diffuser, where it is shielded by the gas flow. This keeps the copper cooler, preventing the tip from overheating and melting back when you are pushing long beads. A cooler tip means the wire doesn't stick, and the hole stays true longer, giving you better aim and a more stable arc. You will notice the difference immediately in how smooth the wire feeds; the alignment is perfect every time you screw in a new tip, eliminating the drag that causes bird-nesting at the drive rolls.

Changing tips is also faster and easier. We have all struggled with cross-threading a hot tip while wearing gloves. The AccuLock S tips use a coarse thread that catches easily and tightens down securely with just a quick twist. This 10-pack ensures you have plenty of spares on hand, though with the extended life of the AccuLock design, you won't be reaching for a new one nearly as often. Upgrade your setup to AccuLock S and experience the difference that premium consumables make in your weld puddle control and overall productivity.

Additional Information
Brand:Miller
Item:Contact Tip
Packaging Description:10 in a pack
Wire Size:0.039" (1.0 mm)
Fits Which Model:Miller MDX-250 MIG Gun, Bernard BTB MIG Guns
Consumable Series:AccuLock S
Material:Copper
Thread Type:Coarse Thread

INCLUDED

  • (10) AccuLock™ S Contact Tips (0.039" / 1.0mm)

APPLICATIONS

  • General Industrial Fabrication
  • Automotive Repair and Manufacturing
  • Light to Heavy Manufacturing
  • Construction and Structural Welding
  • Shipbuilding and Marine Repair

FAQ

This contact tip is designed specifically for 0.039-inch (1.0mm) welding wire.

These tips are compatible with Miller MDX-250 MIG guns and Bernard BTB MIG guns that are equipped with the AccuLock S diffuser system.

The product comes as a package of 10 contact tips.

Yes, you must use an AccuLock S Gas Diffuser to properly seat these contact tips. They will not fit standard Tregaskiss or Centerfire diffusers.

AccuLock S is the heavy-duty industrial version with increased copper mass for better cooling, while AccuLock MDX is typically for lighter-duty applications. The MDX-250 gun can often use either depending on the installed diffuser.

The coarse thread design allows for faster replacement (fewer turns to tighten) and significantly reduces the risk of cross-threading the tip into the diffuser.

Yes, as long as the flux-cored wire diameter is 0.039" (1.0mm). However, always check if a specific heavy-duty or knurled tip is recommended for your specific wire type.

Yes, this is a genuine Miller/Bernard AccuLock™ S contact tip.