Tog-L-Loc® (a BTM Corporation® product) is a cold-forming clinch process which uses a special punch and die to form a strong interlocking joint within the metals themselves. The result of the process is a round, button shaped extrusion on the die side of the assembly, and a small cylindrical cavity on the punch side. The joint is comprised wholly of the sheet metals that were joined. No adhesives, external fasteners, or welding is utilized in the process.
• Joins plain, coated, dissimilar metals.
• No rivets, screws, or other fasteners.
• Eliminates spot welding operations.
• Long tool life: 300K joints common.
• Joins in a single press stroke.
• Non-destructive testing w/ simple gage.
• Strong and highly fatigue resistant.
• Leakproof joints.
• No sparks, fumes, or soot.
How it works.
Where it is used.
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