Thread adapter BIG 1/4 inch 20x15mm model 428286 — metal thread reducer

BIG 20 mm thread adapter model 428286 is a brass 1/4" inner-thread reducer with 20x15 mm dimensions. It is designed to connect components with differing thread sizes, providing a compact and durable metal solution for pneumatic, workshop, or hobby applications. Use it to join tools, hoses, or fittings that require conversion between 1/4" threads and 15 mm connections to ensure a reliable mechanical coupling.

Advantages

The brass construction offers good corrosion resistance and mechanical strength while maintaining a compact form factor. The 1/4" inner thread and 20x15 mm sizing provide compatibility between common pneumatic and workshop fittings. As a metal thread reducer, the adapter delivers stable mechanical connection and long service life under typical workshop and hobby use.

Suitable for

• Connecting pneumatic tools and hoses with different thread sizes
• Workshop fittings and compressed air systems
• Hobby and DIY projects requiring thread conversion

Key specifications

• Brand: BIG
• Model/MPN: 428286
• EAN: 4741326404443
• Material: Brass
• Inner thread: 1/4"
• Dimensions: 20x15 mm
• Type: Metal thread reducer / adapter

How to use

Thread the adapter by hand onto the matching 1/4" male or female fitting until snug, then tighten with an appropriate wrench if required for a secure connection. Ensure mating threads are clean and undamaged before assembly. Use thread sealant or tape where necessary to prevent air or fluid leaks, following the specifications of the system in which the adapter is installed.

Usage recommendations

For reliable performance, inspect threads regularly for wear or damage and replace the adapter if deformation or significant wear is observed. Avoid overtightening to prevent thread stripping; apply standard workshop torque practices when securing metal fittings.