Bernard 300A MIG Nozzle 4393 Copper Conical 40 Pack
$299.00
Product Introduction
Bernard 300 Amp MIG Nozzle 4393 is a heavy-duty copper conical shroud, 40 pack. Ideal for high heat 150-600A and mixed gas applications, fits Q-Gun? and S-Gun? Series MIG Guns. Features extreme heat resistance and durability.
Product Parameters
| Part Number | 4393 |
| Amperage Rating | 300A |
| Material | Copper |
| Dimensions | 56mm length, 16mm bore |
| Pack Quantity | 40 Each |
Bernard 300 Amp MIG Nozzle / Shroud 4393 Copper Conical – 40 Pack: Heavy-Duty Welding Solution for High-Heat Applications
Upgrade your welding setup with the Bernard 4393 Copper Conical MIG Nozzle, a premium 40-pack designed for durability and performance in demanding industrial environments. Engineered to withstand extreme heat and mixed gas conditions, this nozzle ensures consistent arc stability and extended service life, making it the ideal choice for professional welders and fabrication shops.
Core Specifications
| Part Number | 4393 (UNIMIG Part #: PWGA4393) |
| Amperage Rating | 300A (suitable for 150-600A high-heat applications) |
| Material | Extreme Heat Resistant Copper |
| Quantity | 40 Pack |
| Length | 56mm |
| Bore Diameter | 16mm |
| Base Diameter | 16mm |
| Outside Diameter | 22mm |
| Compatibility | Q-Gun? and S-Gun? Series MIG Guns |
| Design | Heavy-Duty Two-Piece Insulated Tapered Nozzle |
Key Features & Benefits
- Superior Durability: Constructed with high-grade copper, this nozzle is 30% stronger than standard OEM parts, resisting warping and wear even under prolonged high-amperage use.
- Heat Resistance: Engineered for extreme heat environments (150-600A), ensuring stable performance in mixed gas welding applications.
- Universal Fit: Slip-on design compatible with Bernard Q-Gun? and S-Gun? MIG Guns, offering versatility for various welding tasks.
- Cost-Effective 40-Pack: Bulk packaging reduces replacement frequency and operational costs for high-volume workshops.
Applications
Ideal for heavy-duty industrial welding, including automotive manufacturing, structural steel fabrication, shipbuilding, and metalworking. Perfect for mixed gas (e.g., CO2/Argon) welding processes requiring consistent heat management.
Why Choose Our Bernard Nozzles?
Unlike generic nozzles, our Bernard 4393 model combines precision engineering with rugged materials to deliver:
– Longer service life (50% more cycles than standard nozzles)
– Reduced downtime due to superior heat resistance
– Enhanced arc visibility for precise weld placement
– Seamless compatibility with leading MIG gun systems
FAQ
Q: Is this nozzle compatible with non-Bernard MIG guns?
A: Designed for Bernard Q-Gun? and S-Gun? series; compatibility with other brands may vary. Contact us for custom fit inquiries.
Q: What is the maximum gas flow rate it supports?
A: Optimized for standard industrial gas flow rates (15-30 CFH), suitable for most mixed gas welding applications.
Q: Can it be used for aluminum welding?
A: Yes, ideal for aluminum and steel welding with appropriate wire and gas settings.
Request a Quote
Ready to enhance your welding efficiency? Contact our team for bulk pricing, technical support, or custom solutions tailored to your needs. Send us an inquiry today to secure your 40-pack of Bernard 4393 MIG Nozzles!
Packaging & Transportation
Weldsuper Nozzles
Related products
Bernard 4435/4635 MIG Gas Diffuser O-Rings 6 Pack
Product Introduction
High-quality Bernard style O-rings by Parweld, ideal for MIG welding. These durable blue O-rings outlast competitors, compatible with 4435/4635 Bernard heads and Pyrex TIG cups. Pack of 6 ensures long-term use.Product Specifications
| Part Number | 7127R |
| Compatibility | 4435 / 4635 Bernard Heads |
| Quantity | 6 Pack |
| Diameter | 20mm |
| Color | Blue |
Miller 1.6mm Knurled Drive Roller – High Grip Welding Accessory
Product Introduction
A key component for wire-feeding systems, this V-Knurled drive roll kit feeds 1/16 inch (1.6mm) solid or stainless welding wires. Ensures productivity and reduces maintenance time by using the right drive roll for your wire. Compatible with Millermatic 200, 210, 212, 250, 251, 252, 300 (without meters), Pulser, Vintage and Reach.Product Parameters
| Wire Size | 1/16 inch (1.6mm) |
| Kit Includes | 2 drive rollers, 1 inlet feeder |
| Roller Dimensions | 42.5mm length, 22mm inner diameter, 5.5mm keyway, 14mm width |
| Inlet Guide Dimensions | 9mm width, 54mm length |
| Type | Knurled |
Tweco #1 Lincoln MIG Gun 12′ 4.0m K26681 Direct Connect 180c
Product Description
Premium MIG torch gun designed for home hobby welders, compatible with Lincoln Direct MK Bayonet Connection and Power MIG 180c (K26681). Features durable construction, 3-month warranty, and uses Tweco #1 style consumables with full spares available.
Specifications
| Amperage | 180 Amp Co2 @ 60% duty cycle |
| Cable Length | 4-meter (12') |
| Compatibility | Lincoln Magnum 100L Style welders |
| Liner | 0.6mm - 0.9mm Steel liner |
| Part Number | NT1-4T |
TWECO #2 Style 52 Gas Diffuser 2 Each
Product Introduction
TWECO #2 Style 52 Gas Diffuser (2 pack) for MIG welding, ensures even shielding gas dispersion. Made with high-conductivity copper alloy, ISO9001:2008 certified, compatible with MIG guns. Regular cleaning/replacement maintains gas flow.
Specifications
| Style | TWECO #2 Style 52 |
| Quantity | 2 Each |
| Dimensions | 9mm Width, 51mm Length |
| Threads | 1/4" UNF Tip, 5/8" UNF Base, 1/2" UNC Insulator |
| Certification | ISO9001:2008 |
Tweco #4 400A 4.5m MIG Welding Gun Euro Connect
Product Introduction
A high-performance 400 Amp MIG welding gun with Euro Connect, 4.5m cable, and Tweco #4 style consumables. Suitable for Co2 and mixed gas applications, offering reliability and easy maintenance with full spares available.
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 |
Tweco #4 Lincoln 400A MIG Gun 12′ 4M LN7/9/25
Product Introduction
Premium quality MIG gun torch designed for home hobby welders, compatible with Lincoln welders LN7, LN8, LN9, LN22, LN25, SUITCASE, LN742, SYNERGIC 7. Features Lincoln Direct MK Bayonet Connection, 12-month warranty, and Tweco #4 consumables compatibility.Specifications
| Amperage | 400 Amp Co2 @ 60% duty cycle |
| Cable Length | 4 meter (12') |
| Consumables | Tweco #4 compatible |
| Part Number | NT4-12L |
| Connection | Lincoln Direct MK Bayonet |
TWECO 1445 1.2mm MIG Contact Tips #2 #4 Style 10pk
Product Introduction
These TWECO #2 & #4 Style 1445 MIG contact tips are machined from copper alloy tubing, ensuring consistent smooth inner diameter and excellent electrical properties. Suits 1.2mm wire, compatible with Eliminator-style gas diffuser, ideal for MIG welding applications.Product Specification
| Wire Size | 1.2mm (0.047") |
| Quantity | 10 Each |
| Thread | 1/4 UNF |
| Dimensions | 6mm width, 38mm length |
| UNIMIG Part # | PWGA1445 |
Tweco 2 MIG Liner 42N-3545 0.9-1.2mm 5M Aluminium
Product Introduction
Industrial quality MIG liner for Tweco Style 2 guns, designed for Aluminium wire (0.9mm-1.2mm). Ensures smooth wire feed, reduces downtime, and improves weld quality. Equivalent to CIG OTW42N/3545.
Specifications
| Length | 5 meters |
| Wire Size | 0.9mm - 1.2mm |
| Material Compatibility | Aluminium wire |
| Compatible Gun | Tweco Style 2 |
| Liner Diameter | 4mm |
