• Weldcote Metals 4043 Aluminum Stick Electrode - 1/2# Package (1/8" Diameter) for aluminum welding electrodes.
  • Weldcote Metals 4043 Aluminum Stick Electrode - 1/2# Package (3/32" Diameter) for effective aluminum welding, featuring advanced technology for high-quality welds.
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Weldcote Metals

Weldcote Metals 4043 Aluminum Welding Electrode - 1/2# Package, 3/32" Diameter, Smooth 340

Weldcote Metals 4043 Aluminum Welding Electrode - 1/2# Package, 3/32" Diameter, Smooth 340

300332X12

$39.58
Shipping: Free ground to lower 48 on qualifying orders.
Introducing the Weldcote Metals 4043 Aluminum Stick Electrode, a top-tier choice for all your aluminum welding needs. This high-quality electrode comes in a convenient 1/2# pack...
Quick specs
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Automatic savings: 5% off $150+ · 7% off $300+ (applied at checkout — no code)
Typically ships within 1–2 business days. Shipping: Free ground to lower 48 on qualifying orders.
Ships from
Corydon, IN
Free ground
Lower 48 (qualifying)
Returns
Unused / original packaging

Fitment Help

Before ordering, confirm this part fits your equipment.

  • Check your equipment model number
  • Verify the specifications match your requirements
  • Review the product description for compatibility details

Not sure? Email us at sales@arcweldinc.com with the part number, your equipment model, and application—we'll confirm the correct part before you order.

Shipping & Returns

  • Ships from: Corydon, Indiana
  • Fulfillment: Lead time shown above (defaults to 1–2 business days unless noted)
  • Shipping: Free shipping on ground orders to lower 48 states (qualifying orders)
  • Pickup: Available at our Corydon location (usually ready in 2–4 days)
  • Returns: Accepted on unused items in original packaging

Discounts: 5% off $150+ and 7% off $300+ apply automatically at checkout (no code).

Ordered the wrong part? Contact us at sales@arcweldinc.com before opening—we'll help you exchange for the correct one.

Introducing the Weldcote Metals 4043 Aluminum Stick Electrode, a top-tier choice for all your aluminum welding needs. This high-quality electrode comes in a convenient 1/2# package with a diameter of 3/32". Designed specifically for aluminum welding, it ensures strong, durable, and precise welds, making it perfect for both fabrication and repair tasks.

The 4043 aluminum welding electrode features a core wire that is expertly combined with a specialized coating. This unique formulation allows for a high-speed deposition of dense, machinable welds. Whether you are tackling foundry defects, correcting machining errors, or working on salvage projects, this electrode is the ideal solution. It excels on sheets, tubes, and extrusions with material thicknesses of 1/8” or more.

One of the standout benefits of the Weldcote Metals 4043 electrode is its versatility. It performs exceptionally well when used with torch applications, providing flexibility for numerous welding situations.

  • Compatible with DC reverse polarity for optimal performance.
  • Recommended operating amperages: 50-85 amps for 3/32” x 14”, 80-135 amps for 1/8” x 14”, and 100-165 amps for 5/32” x 14”.

By choosing the Weldcote Metals 4043 Aluminum Stick Electrode, you are investing in quality and reliability. Its ability to create smooth, consistent welds makes it a go-to product for professionals and hobbyists alike. Elevate your welding projects to the next level with this exceptional aluminum welding electrode!

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