Designed in the USA during WWII for aircraft applications. This is a proven tool with a long history. Available to the public by popular demand. Manufactured in California using 100% USA materials. Useful to form a bead on rigid tubing for hose and hose clamp applications. Works on tube from 1/4" O.D. to 5/16" O.D. Can be used on aluminum, copper, steel, and stainless steel. The inner and outer rollers are made from heavy duty H11 tool steel for stainless steel applications.

Our customers include Boeing, Los Alamos National Laboratory, US Marines, US Army, Sandia National Laboratories, United Launch, Spawar, and SpaceX. Creates a bead per mil-spec MS33660D (see photos) and SAE Aerospace AS5131.

Simple to use. Step 1. Place tubing in vise v-block or field service holding tool (not included) and cut to length with a tubing cutter. Step 2. Deburr the I.D. and O.D. Step 3. Oil tube. Step 4. Install the tool, tighten the knob, and start the bead. Progressively tighten the knob with each 360 degree rotation.