Brazing and soldering practices are one of many areas in the HVACR field where what is commonly practiced isn’t what’s best, and what’s taught doesn’t apply in all cases. Let’s start with the basics.

Does one tool work best in every application? A hammer can pound any nail in the house, but a pneumatic nail gun gets the roof shingled faster. For the HVACR or plumbing technician, the right tool for ...

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 ...