Miller Spoolmate 100 Spool Gun

Easy, reliable aluminum welding for your MIG projects.

The Miller Spoolmate 100 Spool Gun is the ideal light-industrial solution for welding 4000 series aluminum wire, delivering consistent feeding and excellent arc performance for smoother, cleaner welds. Designed for DIYers, fabricators, and professionals needing dependable aluminum MIG capability on compatible Miller machines.

Features You'll Appreciate

• 12-ft Direct Connect Cable
  Heavy-duty strain relief gives you extended reach and flexibility to access tough work areas easily.

• Dual V-Knurled Drive Rolls with Adjustable Tension
  Ensures consistent, smooth feeding of soft aluminum wire—even on long leads—reducing tangles and bird-nesting.

• Clear Spool Canister
  Protects the wire from contaminants while making it easy to check remaining spool levels at a glance.

• Light Industrial Gun
  Specifically designed for 4043 Series aluminum wire. Rated at 135 amps with a 30% duty cycle for reliable, quality welds on light industrial and repair projects.

What's Included

• Spoolmate 100 Spool Gun

• 12-ft (3.7 m) direct connect cable

• Extra contact tips and nozzle

• Convenient carrying case for protection and portability

Built for Real-World Applications

Perfect for:

• Welding projects and general fabrication

• Shipbuilding and marine repairs

• Racing and automotive fabrication

• Farm and ranch maintenance

• Light manufacturing and construction jobs

Key Specifications

• Process: MIG (GMAW)

• Wire Compatibility: 4043 Series aluminum wire

• Duty Cycle: 135 amps at 30%

• Dimensions: 13" L x 3" W x 11.5" H

• Weight: 6 lbs

• Warranty: Miller True Blue® 3-month limited warranty (0.25 years)

Tough enough for professional results. Easy enough for weekend projects. Get the Miller Spoolmate 100 and make aluminum MIG welding simpler than ever.