NZKW Australia NPT Female Threaded Weld-On Boss – Alloy or Stainless (S304 / T6061)

Intro
The NZKW Australia NPT Female Threaded Weld-On Boss is a versatile fabrication solution designed for custom automotive, motorsport, and industrial applications. Available in S304 stainless steel or T6061 aluminium, this weld-on boss provides a strong and reliable threaded mounting point for sensors, fittings, and fluid system connections. Ideal for custom intake, coolant, oil, fuel, and fabrication projects, it delivers clean integration and long-term durability in demanding environments.

What's Included
• 1 x NZKW Australia NPT Female Threaded Weld-On Boss

Specifications
• Material Options: S304 Stainless Steel / T6061 Aluminium
• Type: Weld-On Threaded Boss
• Thread Sizes: 1/8" NPT or 1/4" NPT
• Dimensions: 20mm OD x 12.6mm Height
• Thread Type: Female NPT
• Finish: Raw machined (ready for welding)

Key Features
• Available in high-strength S304 stainless steel or lightweight T6061 aluminium
• Precision machined for accurate NPT threading
• Weld-on design for permanent and secure installation
• Suitable for custom fabrication and performance builds
• Compact 20mm OD design for tight installation spaces
• Ideal for adding sensor ports or fluid connection points
• Compatible with a wide range of NPT fittings and accessories
• Strong and durable construction for high-temperature environments
• Clean, professional solution for custom engine and chassis work
• Perfect for workshop fabrication and motorsport applications

Compatible With / Applications
• Custom intake manifolds
• Radiators and coolant systems
• Oil and fuel system fabrication
• Turbocharger and intercooler piping setups
• Sensor mounting (temperature, pressure, AFR, etc.)
• Motorsport, drift, drag racing, circuit racing, rally and off-road builds
• General fabrication and engineering projects

Built for Performance & Reliability
The NZKW Australia NPT Female Threaded Weld-On Boss is designed to provide a strong and reliable threaded mounting solution for custom fabrication projects. Whether used in aluminium intake systems or stainless steel exhaust and fluid setups, this weld-on boss ensures a secure and leak-resistant connection point for NPT fittings and sensors. Precision machining guarantees accurate thread engagement, while the choice of S304 stainless steel or T6061 aluminium allows builders to match material requirements to their application. Built for versatility and durability, it is an essential component for professional fabrication and motorsport engineering.

Why Choose NZKW Australia?
🇦🇺 Australian owned and operated
🏁 Motorsport development and real-world track testing
✅ Trusted by workshops, race teams, and enthusiasts
Precision-engineered performance components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, rally, and off-road applications
Backed by expert product knowledge and local support

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping