Multiple tool inserts, typically between 40 and 60, are usually brazed individually onto a single drill bit, especially when used in down-hole fixed-cutter, hammer, or rock drill rebuild and ...

Although torch brazing is the most widely used brazing method, finding a skilled operator for the process is a difficult task for many manufacturers. Moreover, it elevates regulatory and safety ...

Welding gives an enthusiast the ability to join separate pieces of metal, making them one. It is the ultimate fabrication art. Skilled craftsmen spend years perfecting their technique, while on the ...

Brazing joins parts by heating them to more than 840°F and applying a filler metal that has a melting temperature below that of the base metal. Filler metal flows into the joint by capillary ...

This article was updated March 7, 2023. It was originally published Dec. 9, 2004. Engineers have an impressive array of ways to join two pieces of metal including adhesives, nuts and bolts, and a long ...