Superlok i-Fitting USA Tube Fittings, Valves & Stainless Tubing

Amazing New Patent, SOLVES Leak Issues

Your top U.S. Superlok products source — in fact, the only source for the most reliable stainless-steel tubing and the best quality tube fittings in the United States — is Mako Products. What makes Mako Products your No. 1 instrumentation and control products supplier? Our unmatched commitment to superior customer service, innovation, and product quality.

Our exclusive Superlok i-fitting tube fittings include the patented red ring gap gauge that make it impossible to over-tighten or under-tighten. When you have tightened your tube fitting nut to the correct depth, the red gap gauge rings pop off, letting you know you have done it correctly, leaving no possibility of error. These tube fittings incorporate a built-in gap gauge for safety and accuracy, allowing you to complete your projects with confidence.