We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Tweco Spray Master 450 A air-cooled MIG gun 15 ft cable Miller connector fixed 60 degree neck

Tweco

Tweco MS415M-116 450 A 15 ft MIG welding gun

SKU CH-DDHZ-C5NBC MPN MS415M-116

Air-cooled MIG gun rated 450 A at 80 % duty cycle, 15 ft cable, Miller-compatible rear connection, 60° fixed neck, handles aluminium, flux-cored and solid wire up to .063 in

  • MaterialHAWA
  • TypeAir Cooled
  • 450 A maximum current for heavy-duty welding
  • 80 % duty cycle supports extended runs
  • 15 ft cable gives wide work reach
  • Miller-compatible rear connection fits existing gear
  • Fixed 60° neck aids consistent torch angle

Tweco Spray Master 450 A MIG gun

The Tweco MS415M-116 is a 450 A air-cooled MIG gun built for flux-cored and solid-wire welding. It suits fabricators and maintenance teams running mixed gas on aluminium or steel plate. The 15 ft cable reaches across large work cells without an extension. Miller-compatible rear connection fits many shop feeders directly.

Air-cooled build with fixed 60° neck

Air cooling removes the need for a water circuit, reducing set-up time and leak risk. The fixed neck holds a 60 degree angle for consistent torch position on fillet and butt joints. HAWA material resists heat and spatter during long runs. Straight handle and standard trigger give familiar control for operators switching from similar guns.

80 % duty cycle at 450 A

The gun delivers its rated 450 A at an 80 percent duty cycle, so it can weld nearly five minutes out of every ten without overheating. Maximum wire diameter is .063 in, covering common .045 and 1/16 in consumables on the 16S tip series. Select this gun when the procedure demands sustained high current on mixed gas.

Highlights

  • 450 A maximum current for heavy-duty welding
  • 80 % duty cycle supports extended runs
  • 15 ft cable gives wide work reach
  • Miller-compatible rear connection fits existing gear
  • Fixed 60° neck aids consistent torch angle

Specifications

BrandTweco
MaterialHAWA
TypeAir Cooled

Questions about this item

What does the 80 % duty cycle at 450 A mean for continuous welding time?

At 450 amps the gun can weld for eight minutes out of every ten before it must cool down; exceeding that cycle risks overheating the air-cooled cable and neck.

What rear connector and neck length must the wire feeder accept for this 15 ft gun?

The gun terminates in a Miller-compatible power pin and has a fixed 60-degree neck; the feeder needs a matching Miller-style block and enough clearance for the rigid neck angle.

How is the 16S contact tip installed, and what step do installers often miss?

Unscrew the nozzle, remove the old tip, thread the new 16S tip into the diffuser until it seats firmly, then reinstall the nozzle; the common error is leaving the tip loose, which causes arcing and wire feed issues.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.