USED STUD WELDER UA-500 PORTABLE STUD WELDER

Midwest Fasteners Image UA-500 Arc Stud Welding SystemType: Portable Drawn-Arc Stud Welder | Stud Range: 10ga – 1/2" | Power: Single PhaseOverviewThe Image UA-500 is a highly versatile, portable stud welding "workhorse." Designed for both shop and field use, it is one of the few machines capable of welding 1/2" diameter studs while running on standard single-phase AC power. This makes it an essential tool for steel fabrication, bridge deck work, and industrial maintenance where 3-phase power isn't available.This listing is for a complete operational package, meaning you aren't just getting the power source—you’re getting the full setup required to strike an arc and start production immediately.Key FeaturesSingle-Phase Versatility: Operates on 208/230/460 VAC single-phase power, allowing for industrial-grade stud welding on nearly any jobsite.Wide Stud Range: Expertly handles studs from 10 gauge (3mm) up to 1/2" (13mm) in diameter with precision.Solid-State Reliability: Features advanced solid-state circuitry for consistent weld current and time control, ensuring high-strength, repeatable results.High-Output Performance: Delivers a continuous current range from 250 to 900 Amps, providing the "punch" needed for heavy structural studs.Built for the Field: Housed in a heavy-gauge steel case with a built-in on-board tool box, heavy-duty handle, and large wheels for easy transport over rough surfaces.Included in This Operational Package UA-500 Power Source: 115V/230V/460V Single Phase.Standard Duty Stud Gun: Complete with legs and foot piece for stable, vertical positioning.Ground Cable: Heavy-duty 1/0 cable with a high-tension "C" clamp.Combination Cable: 1/0 cable, giving you plenty of reach on larger workpieces.Technical SpecificationsWeight: 150 lbs. (Power source only)Dimensions: 41" H x 16" W x 16" Duty Cycle: * 1/2" Studs: 5 per minute5/16" Studs: 12 per minuteOutput: 900 Amps @ 40 VDCDealer Note"The UA-500 is the go-to choice for contractors who need 1/2" capacity without the weight and power requirements of a massive 3-phase unit. Because this is a complete system, you avoid the high cost of sourcing a compatible gun and cables separately—which can easily run an additional $800–$1,000. It’s ready to roll off the truck and onto the deck."