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Copper welding nozzle with 15.9mm bore

Miller Enterprises

Miller Enterprises N-M5818C welding nozzle 15.9mm copper

SKU CH-853T-T7RTQ MPN N-M5818C

15.9 mm copper nozzle for MDX-250 MIG guns, sold individually

  • Product typeOthers
  • Copper construction resists heat and spatter
  • 9 mm bore fits MDX-250 MIG guns
  • AccuLock MDX system compatibility ensures secure fit
  • Pack of one nozzle for precise replacement

15.9 mm copper nozzle for MDX-250 MIG guns

This 15.9 mm bore copper nozzle fits MDX-250 MIG guns and ships as a single unit. It is built for welders who need a direct replacement consumable for that specific gun series. The copper construction handles the heat of routine MIG work. It does not suit guns outside the MDX-250 line.

Pairs with AccuLock MDX tips and D-M250 diffuser

Installation calls for an AccuLock MDX contact tip, a D-M250 diffuser, a compatible liner and the correct power pin cap. Using the matched set keeps gas coverage consistent and reduces the chance of tip seizure. Without those parts the nozzle cannot function as intended. Builders using other gun models will need a different nozzle series.

How it compares

Measured against everything we stock in Welding Equipment & Positioners, at today’s prices. Recalculated every night.

Price $26.99
Cheaper than about 67% of the 1,978 comparable items (median $50.99).

Specifications

Product
Brand nameMiller Electric
Model nameN-M5818C
Product typeOthers

Questions about this item

What bore size limits the wire feed on the N-M5818C nozzle?

The 15.9 mm bore determines the maximum wire diameter that can pass through the copper tip.

How much heat does the copper nozzle absorb during a full day of welding with the MDX-250 gun?

Copper conducts heat quickly, so the nozzle will become very hot during extended use with the 250 amp gun.

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