What wire size and alloy should I use with the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10?

Spool guns most commonly use 0.030 in or 0.035 in aluminum wire (ER4043 for general purpose aluminum, ER5356 for higher-strength applications). Some models support 0.047 in (3/64 in) wire for higher deposition. Always use drive rolls sized and profiled for aluminum wire — knurled rolls will shred soft aluminum wire.

Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10

Q: Why use a spool gun like the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 for aluminum welding?

Spool guns mount a small 1 lb spool of wire directly at the gun, eliminating the long wire conduit run that causes soft aluminum wire to bird-nest in standard feeders. They are the most common solution for aluminum MIG welding on wire feeders and power sources that don't support a push-pull system.

Q: What power source is the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 compatible with?

The Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 is designed for use with compatible Lincoln Electric power sources. Confirm your power source has a spool gun-ready output (typically a 4-pin or similar dedicated connector) before purchasing. Not all MIG power sources support spool gun operation — check your power source's documentation or contact WeldingMart.com for compatibility confirmation.

Q: How do I maintain the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10?

Keep the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 clean by blowing out the wire path with compressed air, inspecting the liner for kinks, and replacing contact tips when worn (aluminum wears tips faster than steel). Check cable connections for secure fit after every use. Avoid dragging the cable over sharp edges or leaving it kinked, which can damage the internal conduit.

Q: What warranty does the Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 carry?

The Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10 is backed by a 90 Days warranty from Lincoln Electric. Consumable items such as contact tips, nozzles, and liners are not covered. Register your product and retain your purchase documentation for warranty claims.

SKU: K345-10

$1,250.48 ~~$1,495.62~~

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Magnum® Innershield® Welding Gun with a 350A 60% Duty Cycle.

Overview

Lincoln Magnum Innershield 350A FCAW-SS Welding Gun 90 deg Noz 10 ft 068-564 K345-10

Magnum Classic Self-Shielded Semiautomatic Guns

Magnum self-shielded ﬂux-cored welding (FCAW-S) guns are rugged and reliable, while remaining lightweight, ﬂexible and maneuverable. A number of models are offered for amperage ratings from 350 to 600 amps. Lincoln Magnum guns for Innershield welding are a great choice.

Features

Rated 350 amps. Use .068-5/64 in. (1.7-2.0 mm) diameter wires. Cable is 10 ft. (3 m) in length. Reduced wire feed speed thumb switch. 90° gun tube.
Heavy-duty gun trigger switch For positive electrical contact and long life.
Reinforced rubber jacket Adds strength and long life to cable.
Alternate gun tubes Available for select guns to reach welds with limited accessibility.
All guns are rated at 60% duty cycle Meet NEMA specifcation EW3.

Specifications

Feature	Value
Processes	Flux-Cored (FCAW) MIG (GMAW)

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