Bernard 4391 300A MIG Nozzle Conical 10 Pack
$98.00
Product Introduction
Heavy-duty conical MIG nozzle designed for Bernard 300amp torches, ideal for high-heat 200-300A mixed gas applications. Features extreme heat-resistant copper construction, slip-on design, and superior durability compared to OEM parts. 10-pack for extended use.
Specifications
| Part Number | 4391 (UNIMIG: PWGA4391) |
| Material | Heat Resistant Copper |
| Amperage Rating | 300A |
| Dimensions | 67mm length, 22mm OD, 16mm base |
| Quantity | 10 Pack |
Bernard MIG Nozzle / Shroud 4391 Conical – 10 Pack for 300amp Torches
Upgrade your welding performance with the Bernard 4391 Conical MIG Nozzle, a premium 10-pack solution designed for heavy-duty 300amp torches. Engineered for extreme heat resistance and durability, this nozzle ensures consistent arc stability and extended service life in high-amperage mixed gas applications.
Core Specifications
| Part Number | 4391 |
| Compatibility | Bernard 300amp Torches, Q-Gun? & S-Gun? Series |
| Material | Extreme Heat Resistant Copper |
| Amperage Rating | 300A |
| Quantity | 10 Pack |
| Length | 67mm |
| Outside Diameter | 22mm |
| Base Diameter | 16mm |
| UNIMIG Part # | PWGA4391 |
| Construction | Heavy-Duty Insulated Tapered Design |
Key Benefits
- Superior Durability: 30% longer lifespan than OEM nozzles due to reinforced copper construction
- Heat Resistance: Withstands 200-300A high-heat environments without deformation
- Precision Fit: Standard slip-on design ensures secure attachment to Bernard torches
- Cost-Effective: 10-pack value reduces replacement frequency and operational costs
- Versatile Application: Optimized for mixed gas welding processes in industrial settings
Applications
Ideal for heavy industrial welding operations including automotive manufacturing, construction, shipbuilding, and metal fabrication. Perfect for continuous-duty applications requiring consistent performance under high heat conditions.
Performance Testing
Independent lab tests confirm: 500+ weld cycles at 300A without performance degradation, 40% better thermal conductivity than standard brass nozzles, and maintained dimensional stability at 1200¡ãF (648¡ãC) operating temperature.
Quality Assurance
Manufactured to ISO 9001 standards with 100% inspection. Each nozzle undergoes pressure testing and dimensional verification to ensure compatibility with Bernard torch systems.
Why Choose Our Nozzles?
Unlike generic alternatives, our Bernard-compatible nozzles feature precision-machined tolerances (¡À0.02mm) and proprietary copper alloy formulation, delivering 27% more arc stability and 35% less spatter accumulation during extended welding sessions.
FAQ
- Q: Will this fit non-Bernard torches?
A: Designed specifically for Bernard 300amp Q-Gun? and S-Gun? series torches - Q: What gas mixtures is this suitable for?
A: Optimized for Ar/CO?, Ar/O?, and tri-mix shielding gases - Q: How often should nozzles be replaced?
A: Under normal 300A operation, expect 2-3x longer service life than standard nozzles
Ready to enhance your welding efficiency? Contact our technical team for bulk pricing, compatibility verification, or application-specific recommendations. Request a quote today and experience the difference in industrial-grade welding accessories.
Packaging & Transportation
weldercutting Nozzles
Related products
Bernard 4435/4635 MIG Gas Diffuser O-Rings 6 Pack
Binzel MB26 MIG Consumable Kit 0.9mm Wire Small Combo
Product Introduction
High-quality Binzel Style MB26 Kits for MIG guns, compatible with 260A Mix, 290A CO2 Binzel style MB26, MB35, MB501, and RAZOR 200 PULSE MIG/TIG/STICK Welder U11003K.
Specifications
| Wire Size | 0.9mm |
| Contact Tips | 10x M6 x 8mm x 0.9mm (CT0968) |
| Tip Holders | 2x MB26 (TA26) |
| Nozzles | 2x Conical MB26/35/501 (NZCO26) |
| Gas Diffusers | 2x MB26 Black Duroplast (DIF26) |
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 |
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 |
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 #1 1135 MIG Contact Tips 0.9mm 10pcs
Product Introduction
TWECO #1 Style MIG Contact Tips, 0.9mm (0.035") wire size, 10 pieces. Machined from copper alloy for smooth inner surface and excellent electrical properties. Compatible with TWECO 35-50/51 gas diffusers and 21-62/21-50 nozzles, ensuring proper contact in MIG guns.
Specifications
| Style | TWECO #1 (1135) |
| Wire Size | 0.9mm (0.035") |
| Quantity | 10 Each |
| Thread | M6 |
| Dimensions | 6mm Width, 25mm Length |
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) |
