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The OTC 350A Insulator, also referred to as a gas diffuser, is a key consumable component for MIG welding torches in the 350-amp category. It plays a vital role in distributing shielding gas evenly around the weld pool, ensuring stable arc performance, minimal porosity, and clean welds.
At Tesco Metalcraft, we supply premium-quality OTC 350A Insulators that meet the highest industry standards. Whether you are in fabrication, automotive, or heavy equipment welding, this insulator delivers reliable performance and durability.
Product Name: OTC 350A Insulator (Gas Diffuser)
Material: Brass with high-temperature insulator
Current Rating: Up to 350 Amps
Torch Compatibility: OTC 350A MIG welding torches
Gas Type: Works with CO₂ and Argon mixtures
Function: Distributes shielding gas evenly for superior welds
The OTC 350A Insulator is used in:
Fabrication workshops – welding mild steel, stainless steel, and alloy steel.
Automotive industry – body repair, exhaust systems, and chassis fabrication.
General manufacturing – medium to heavy-duty welds with CO₂ and Argon mixtures.
Structural steel welding – ensuring clean, strong joints for buildings and machinery.
By regulating gas flow, the insulator ensures that every weld receives adequate shielding, protecting it from oxidation and impurities.
High-quality brass body → Delivers excellent thermal and electrical conductivity.
Heat-resistant insulating material → Prevents arcing between consumables and torch body.
Precision machining → Guarantees accurate gas flow and perfect fit.
The combination of brass and engineered insulating material ensures long service life and consistent welding performance.
350A rated design – Perfect for medium to heavy-duty MIG welding.
Stable gas shielding – Reduces weld porosity and spatter.
Durable construction – Long-lasting even in high-temperature conditions.
Easy replacement – Quick and hassle-free installation.
Enhanced weld quality – Provides consistent arc stability and cleaner finishes.
Reliable compatibility – Designed to fit OTC 350A MIG torches precisely.
Each OTC 350A Insulator undergoes strict quality checks to ensure reliability in demanding environments. The brass body resists wear and thermal stress, while the insulating insert provides electrical safety and consistent arc performance. This ensures longer life and reduced downtime.
Compatible with OTC 350A MIG welding torches.
Works with OTC contact tips, tip holders, and nozzles.
Suitable for common MIG shielding gases.
Regularly clean to remove spatter buildup.
Check for wear on threads and surfaces to avoid gas leaks.
Replace when performance is reduced or gas shielding becomes inconsistent.
Always use genuine consumables for maximum efficiency.
At Tesco Metalcraft, we provide welding consumables that professionals trust. Our OTC 350A Insulators are made with precision and durability in mind, ensuring consistent gas coverage, strong welds, and reduced downtime.
With competitive pricing, reliable delivery, and exceptional service, Tesco Metalcraft is your trusted partner in welding solutions.
Enhance your welding performance with the OTC 350A Insulator from Tesco Metalcraft. Built for durability and precision, it ensures stable gas flow and superior weld quality. Order today and experience the difference in your welding projects!
