Bernard 4491 400A MIG Nozzle 40 Pack
$299.00
Product Introduction
Bernard 4491 cylindrical MIG nozzle, 40 pack, designed for 400 amp torches. Made of high-quality copper, suitable for BN350-400 Amp Guns, fits 4435 and 4635 Diffusers. Essential welding accessory with reliable performance.
Product Parameters
| Part Number | 4491 |
| Pack Quantity | 40 Pack |
| Compatibility | BN350 – 400 Amp Guns |
| Opening Diameter | 19mm |
| Length | 75mm |
Bernard 400 Amp 4491 Cylindrical MIG Nozzle / Shroud – 40 Pack: Premium Welding Performance
Upgrade your welding setup with the Bernard 4491 Cylindrical MIG Nozzle, designed for 400 amp torches. Crafted from high-quality copper, this 40-pack ensures long-lasting durability and consistent gas coverage¡ªessential for professional welders seeking precision and efficiency.
Core Specifications
| Part Number | 4491 |
| Compatibility | BN350-400 Amp Guns |
| Diffuser Fit | 4435 & 4635 Diffusers |
| Opening Diameter | 19mm Cylindrical |
| Length | 75mm |
| Outer Diameter | 25mm |
| Material | High-Quality Copper |
| Pack Quantity | 40 Units |
| UNIMIG Part # | PWGA4491 |
| Style | Bernard Cylindrical |
Key Benefits & Performance
Superior Conductivity: Pure copper construction ensures optimal heat transfer and electrical conductivity, reducing spatter and extending nozzle life.
Consistent Gas Shielding: 19mm cylindrical design delivers uniform gas coverage, preventing contamination for clean, strong welds.
Perfect Fit: Engineered to seamlessly attach to 4435/4635 diffusers and BN350-400 amp guns, minimizing installation time.
Applications
Ideal for heavy-duty industrial welding, automotive manufacturing, construction, and metal fabrication. Suitable for MIG welding processes requiring high amperage and precision.
Why Choose Bernard 4491?
- Cost-Effective 40-Pack: Bulk packaging reduces downtime and replacement costs.
- OEM Quality: Meets Bernard’s strict standards for reliability and performance.
- Universal Compatibility: Works with multiple torch models for versatile use.
FAQ
Q: Is this nozzle compatible with non-Bernard torches?
A: Designed for Bernard-style 400 amp guns; check diffuser compatibility for other brands.
Q: How often should I replace the nozzle?
A: Replace when excessive wear or clogging affects gas flow¡ªtypically after 8-10 hours of continuous use.
Q: Can I use this for aluminum welding?
A: Yes, the copper construction withstands high temperatures ideal for aluminum and steel applications.
Request a Quote
Ready to enhance your welding efficiency? Contact us today for bulk pricing, technical support, or to learn more about integrating the Bernard 4491 nozzles into your workflow. Our team of experts is here to help!
Packaging & Transportation
weldercutting Nozzles
Related products
14AH364 TWECO #2/#4 1.2mm Aluminium MIG Contact Tips 10pcs
Product Introduction
Ultra heavy-duty MIG contact tips designed for TWECO #2 & #4 style, suitable for 1.2mm Aluminium and Flux Core wires. Made with high conductivity copper alloy for extended life, ISO9001:2008 certified.
Product Parameters
| Wire Size | 1.2mm |
| Thread | 1/4 UNF |
| Dimensions | 7mm width, 38mm length |
| Quantity | 10 Each |
| Part # | PWGA14AH364 |
Blue 5L Water Based Welding Anti Spatter Australia
Product Introduction
Australian-made water-based welding anti-spatter, developed by welders to outperform competitors at a better price. Prevents spatter from sticking to MIG tips, nozzles & workpieces, non-toxic, non-flammable, and paintable.
Product Specifications
| Capacity | 5 Litres |
| Base | Water-based |
| Key Features | Silicone-free, amine & nitrite free, biodegradable, ready to use |
| Origin | Australian Made & Owned |
| UNIMIG Equivalent | UNIGUARD5 |
K126 Innershield MIG Gun 4.5m 350A Tweco Connection
Product Introduction
Purpose-built for Flux-Cored Wire Welders, this Tweco Style Innershield MIG Welding Gun saves time and money on flux-cored MIG Wire, ideal for welding without shielding gas. Features fibreglass insulated swan neck and large plated spatter guard.
Key Specifications
| Amperage | 350 Amps |
| Lead Length | 4.5m |
| Wire Compatibility | Flux-Cored Wire (1.6mm-2.4mm Liner installed) |
| Machine Fit | Lincoln Electric LN-25 Pro |
| Connection Type | Tweco Machine Connection |
Kemppi Locking Spring MMG18/20 – 5 Each
Product Introduction
Kemppi Locking Spring MMG18/20, designed to lock the neck assembly of MIG welding equipment. Made with high-quality spring steel, it ensures reliable performance, enhancing welding quality and productivity. Suitable for MMG 20 and MMG 22 neck assemblies, region-free and easy to use.
Product Parameters
| Quantity | 5 Each |
| Function | Locks neck assembly |
| Material | High-quality spring steel |
| Compatibility | MMG 20, MMG 22 |
| Dimensions | 16mm width |
MIG MB24 Conical 0.9mm 16Pcs Binzel Starter Kit
Product Introduction
Hampdon Industrial Premium MIG Consumable Combo Kit offers great savings compared to buying parts individually. Made with higher quality copper than OEM, it's designed for MB24 and Binzel Style, providing convenience and value.
Product Parameters
| Contact Tips | 10 pcs, 0.9mm, M6 Thread |
| Conical Nozzles | 2 pcs, 13mm Bore (NZCO24) |
| Tip Adaptors | 2 pcs (TA24) |
| Gas Diffuser | 2 pcs, White (DIF24) |
| Compatibility | Binzel Style, suits MB24 |
MIG MB24 Conical 16P Starter Kit 0.8mm Binzel Style
Product Introduction
Hampdon Industrial Premium MIG Consumable Combo Kit offers great savings compared to buying parts individually (over $40 value). Made with higher quality copper than OEM, it's designed for MB24, reducing hassle with all essential components in one kit.
Product Parameters
| Contact Tips | 10 pcs, 0.8mm, M6 Thread, Binzel Style |
| Conical Nozzles | 2 pcs, 13mm Bore (NZCO24) |
| Tip Adaptors | 2 pcs (TA24) |
| Gas Diffuser | 2 pcs, White (DIF24) |
| Compatibility | Suitable for MB24 |
TWECO #2 0.9mm Fixed Nozzle Shroud 31 Piece Value Kit
Product Introduction
A 31-piece TWECO #2 Style Fixed Nozzle/Shroud Value Kit for MIG guns, ideal for 0.9mm wire. Upgrades front-end consumables to enhance performance, compatible with Cigweld 250A or lower machines and specific Tweco Professional Fusion 250 torches.
Specifications
| Style | TWECO #2 |
| Wire Size | 0.9mm |
| Compatibility | Cigweld 250A or lower machines, Tweco Fusion 250 torches (OTWF212X3035, W4013701, TWF212X3035) |
| Kit Contents | 25 contact tips, 2 diffusers, 3 nozzles (13mm,16mm,20mm), 1 nozzle body |
TWECO #4 33pc Value Kit 0.9mm Tips
Product Introduction
Refreshes MIG gun front-end consumables, enhancing performance. Made by a 60-year experienced manufacturer, offering durable, high-quality replacement parts that outlast competitors.Product Parameters
| Style | TWECO #4 |
| Wire Size | 0.9mm |
| Contact Tips | 25 x 0.9mm (14-35) |
| Diffusers | 2 x (54A, UNIMIG PWGA54A equivalent) |
| Nozzles/Insulators | 5 x Nozzles (24A62), 5 x Insulators (34A) |
