NST-3818B - Bernard Centerfire Tapered Nozzle 3/8" Bore 1/8" Recess

Reach Tight Spaces with the Bernard NST-3818B

Stop struggling with bulky nozzles that block your view and prevent you from getting into the corner. The Bernard Centerfire Tapered MIG Nozzle NST-3818B is the solution for welders who need precision and access. Featuring a slim, tapered design with a 3/8-inch bore, this nozzle lets you get right into the root of the joint without sacrificing gas coverage. It is the perfect upgrade for your Bernard Q-Gun or BTB MIG gun when standard nozzles just won't fit.

This nozzle is designed with a 1/8-inch tip recess, which is the sweet spot for many welding applications, keeping your contact tip protected while allowing for optimal wire stick-out. Made from durable brass, it stands up to the heat of long welding passes. The NST-3818B is part of the legendary Bernard Centerfire system, meaning it is designed for welders who want to spend more time burning wire and less time troubleshooting their gun.

Tool-Free Maintenance

Time is money, and the Centerfire system saves you both. The NST-3818B threads on by hand—no pliers or wrenches required. This ensures a tight, concentric fit every time, keeping your contact tip perfectly centered for a stable arc. When it's time to replace the nozzle or check your tip, simply unscrew it by hand, inspect, and get back to work. The built-in spatter shield inside the nozzle also helps keep your gas diffuser clean, meaning fewer interruptions for maintenance.

Superior Performance

Whether you are welding mild steel, aluminum, or stainless, consistent gas flow is key. The internal geometry of this nozzle smooths out the shielding gas, reducing turbulence and preventing atmospheric contamination. This leads to better weld quality and less spatter to grind off later. If you are running a Bernard gun with a DS-1 diffuser, this tapered nozzle is a must-have accessory for your toolkit.

• Better Visibility: Tapered shape lets you see the puddle clearly in tight joints.
• Easy Change: Threaded design for quick, tool-free replacement.
• Reliable Shielding: Integrated spatter shield ensures smooth gas flow.