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12301221 - Tweco WS23H62 WeldSkill MIG Nozzle 5/8" Bore (2-Pack)

Packaging: pack of 2
$54.67/EA $78.12/pack of 2 only $39.06/EASave 29%

Usually ships within 3-5 business days

OVERVIEW

High-Performance Tweco 1230-1221 (WS23H62) MIG Nozzles

Maximize the performance of your MIG welding equipment with the Tweco 1230-1221 (WS23H62) Nozzle. This premium consumable is part of the renowned WeldSkill series, designed to deliver industrial-grade reliability at an exceptional value. Sold in a pack of two, these nozzles are engineered to support high-amperage welding applications where consistent gas shielding and heat management are paramount. For welders who demand precision and durability, the WS23H62 is the ideal choice for maintaining arc stability and weld quality.

The defining feature of this nozzle is its 5/8-inch (0.625") bore orifice. This size is widely regarded as the standard for general-purpose and heavy-duty fabrication, offering a generous gas envelope that protects the molten weld pool from atmospheric contamination. The internal geometry of the nozzle is precision-machined to promote laminar gas flow, reducing turbulence that can aspirate air into the shielding gas stream. This results in cleaner welds with significantly reduced risk of porosity, even when using higher voltage settings or spray transfer modes.

Durability is at the core of the Tweco WeldSkill design. The nozzle is manufactured from a robust copper alloy that excels in thermal conductivity. This property allows the nozzle to pull heat away from the front end of the gun, protecting the insulator and contact tip from thermal damage. The heavy-wall construction also provides resilience against physical abuse, such as accidental knocks against the workpiece, which are common in active fabrication environments. Furthermore, the copper material is naturally resistant to spatter adhesion, simplifying maintenance and cleaning routines.

Compatibility is straightforward and reliable. The WS23H62 fits Tweco WeldSkill 250A, 300A, and 400A MIG guns, utilizing a standard slip-on or threaded connection depending on your specific diffuser setup (typically slip-on over the insulator for the 23 series). This ensures a secure fit that won't vibrate loose during operation. Whether you are welding structural steel, repairing heavy machinery, or performing production fabrication, these nozzles provide the consistency required for code-quality work.

Technical Specifications:

  • Part Number: 1230-1221 (WS23H62)
  • Bore Diameter: 5/8 inch (15.9 mm)
  • Material: Copper Alloy
  • Series Compatibility: Tweco WeldSkill 23 Series
  • Packaging: 2 Nozzles per Package
Additional Information
Brand:Tweco
Item:Nozzle
Packaging Description:2 in a pack
Bore Size:5/8" (15.9 mm)
Series:WeldSkill 23 Series
Material:Copper Alloy
Compatible Guns:Tweco WeldSkill 250, Tweco WeldSkill 300, Tweco WeldSkill 400
Part Number:WS23H62, 1230-1221

INCLUDED

  • 2 x Tweco WeldSkill WS23H62 MIG Nozzles (5/8" Bore)

APPLICATIONS

  • General Industrial Fabrication
  • Automotive Repair and Restoration
  • Structural Steel Welding
  • Farm and Agriculture Equipment Repair
  • Heavy Equipment Maintenance
  • Shipbuilding and Marine Repair

FAQ

The WS23H62 nozzle features a standard 5/8-inch (0.625") bore diameter, suitable for a wide range of welding applications.

This nozzle is designed to fit Tweco WeldSkill series MIG guns, specifically the 250, 300, and 400 amp models.

This product (SKU 12301221) is sold as a package of 2 nozzles.

The nozzle is constructed from a high-quality copper alloy, chosen for its durability and excellent heat dissipation properties.

The WS23 series nozzles are typically designed to slip on over the nozzle insulator on standard Tweco WeldSkill guns, though fitment depends on the specific gas diffuser used.

Yes, the 5/8" bore provides good gas coverage suitable for aluminum welding, provided the rest of your gun setup (liner, tip) is also configured for aluminum.

This 5/8" nozzle has a larger opening than a 1/2" nozzle, providing a wider gas shield which is better for higher amperage welding or when the stick-out distance varies.