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 ...

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 ...

Insert technology has been applied to carbide thread chasers. The need for carbide thread chasers grew as screw machine operators turned to new, harder materials to meet their customers' needs. Now, ...