Bernard 4391 300A MIG Nozzle Conical 40 Pack
$279.00
Product Introduction
Heavy-duty conical MIG nozzle/shroud, ideal for 200-300A high heat and mixed gas applications. Compatible with Bernard 300amp Q-Gun? and S-Gun? Series MIG Guns. Features extreme heat-resistant copper construction, more durable than OEM. 40 pack for industrial use.
Product Specifications
| Part Number | 4391 (UNIMIG: PWGA4391) |
| Amperage Rating | 300A |
| Material | Heat Resistant Copper |
| Dimensions | 67mm length, 22mm OD, 16mm base |
| Pack Quantity | 40 Each |
Bernard MIG Nozzle / Shroud 4391 Conical – 40 Pack for 300amp Torches
Upgrade your welding performance with the Bernard 4391 Conical MIG Nozzle, a heavy-duty solution engineered for 200-300A high-heat applications. This 40-pack of slip-on nozzles ensures uninterrupted workflow, while extreme heat-resistant copper construction outperforms standard OEM parts¡ªideal for professionals seeking durability and precision in mixed gas welding.
Core Specifications
| Part Number | 4391 (UNIMIG PWGA4391) |
| Compatibility | Bernard 300A Torches, Q-Gun? & S-Gun? Series |
| Material | Extreme Heat Resistant Copper |
| Amperage Rating | 200-300A |
| Quantity | 40 Pack |
| Length | 67mm |
| Outside Diameter | 22mm |
| Base Diameter | 16mm |
| Design | Conical, Slip-on Insulated |
| Application | High-Heat Mixed Gas Welding |
Key Benefits
- Superior Durability: 3x longer lifespan than OEM nozzles due to reinforced copper construction.
- Heat Resistance: Withstands extreme 300A temperatures without warping or degradation.
- Perfect Fit: Tapered design ensures secure slip-on installation on Bernard 300A torches.
- Cost-Effective: 40-pack bulk quantity reduces downtime and replacement costs.
Applications
Ideal for industrial MIG welding in manufacturing, construction, and heavy machinery repair. Optimized for mixed gas environments (e.g., CO2/argon blends) where consistent heat management is critical.
Why Choose Our Nozzles?
Our Bernard-style 4391 nozzles are engineered by Hampdon Industrial to exceed OEM standards. The insulated brass insulator prevents arcing, while the conical shape enhances gas flow efficiency¡ªdelivering cleaner welds and reduced spatter.
FAQ
Q: Will this fit non-Bernard torches?
A: Designed exclusively for Bernard 300A Q-Gun? and S-Gun? models.
Q: Can it handle pure CO2 welding?
A: Yes, suitable for all mixed gas and pure CO2 applications up to 300A.
Q: How often should I replace the nozzle?
A: Under heavy use, replace every 8-10 hours to maintain optimal performance.
Ready to enhance your welding efficiency? Contact us today for bulk pricing or technical support. Our team of experts is standing by to help you select the perfect welding accessories.
Packaging & Transportation
weldercutting Nozzles
Related products
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 39 Piece 1.0mm Binzel Style Bulk Kit
Product Introduction
Hampdon Industrial Premium MIG Consumable Combo Kit, Binzel Style for MB24. Manufactured from higher quality copper than OEM, offering great savings versus individual parts. Includes 39 pieces for MIG welding needs.Product Specifications
| Contact Tips | 25 pcs, 1.0mm, M6 Thread |
| Nozzles | 5 pcs, 17mm Bore (NZCY24) |
| Tip Adaptors | 5 pcs (TA24) |
| Gas Diffusers | 4 pcs, White (DIF24) |
| Style | Binzel, suits MB24 |
O Rings for MIG Euro Connect 5 Pack
TWECO #2 Style 52 Gas Diffuser 2 Each
Product Description
TWECO #2 Style 52 Gas Diffuser, 2 Each. Ensures even shielding gas dispersion for MIG welding. Made with high-conductivity copper alloy, ISO9001:2008 compliant. Compatible with MIG guns, requires regular cleaning/replacement.
Specifications
| Style | TWECO #2 |
| Quantity | 2 Each |
| Dimensions | 9mm Width, 51mm Length |
| Threads | 1/4 UNF Tip, 5/8 UNF Base, 1/2" UNC (Insulator) |
| Equivalent Part | CIG OTW52/R |
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) |
Tweco #4 400A 4.5m MIG Welding Gun Euro Connect
Product Introduction
A 400 Amp MIG welding gun with 4.5m cable, Euro Connect, and Tweco #4 style consumables. Suitable for Co2 (400A @60% duty cycle) and mixed gas (350A @60% duty cycle), with full spares available.
Key Specifications
| Amperage | 400A Co2 / 350A Mixed Gas @60% Duty Cycle |
| Cable Length | 4.5 meters |
| Connection | Euro Style |
| Consumables | Tweco #4 Style |
| Part Number | TWC4-15FTE |
