Can you thread stainless steel tubing?

Yes, stainless steel tubing can be threaded, but it requires specific tools and techniques due to the hardness and durability of the material. Here are the steps to thread stainless steel tubing:

Choose the Right Tools: Use high-quality tools designed for threading stainless steel, such as a threading machine or a manual threading die. Ensure the die is compatible with the tubing size.

Prepare the Tubing: Cut the tubing to the desired length using a tubing cutter or saw. Make sure the cut is clean and square. Remove any burrs or rough edges with a deburring tool.

Lubricate: Apply a cutting fluid or lubricant designed for stainless steel to the area where the threading will occur. This reduces friction and heat, preventing damage to the tubing and the threading tool.

Threading: Place the tubing in a vise or secure it firmly to prevent movement. Align the threading die with the tubing and begin to turn it slowly. Apply steady pressure and make sure the die is cutting evenly. Continue turning the die, applying more lubricant as needed, until the desired thread length is achieved.

Clean and Inspect: Once threading is complete, clean the threads with a brush to remove any debris or metal shavings. Inspect the threads for uniformity and ensure they match the threading standards required for your application.

Test Fit: Test fit the threaded tubing with the corresponding fittings to ensure a proper fit.

Threading stainless steel requires patience and precision. If you're new to this, practicing on scrap pieces before working on your final piece is a good idea.