Indexable drills offer significant advantages over conventional twist drills. With them, machinists can drill holes at faster cutting speeds, change cutting edges faster and, with the right insert sel...
A drill is a tool that is attached to the drill chuck (the rotating part). When the drill bit is pressed into the surface, it creates a borehole by removing material in front of it. Different drill bi...
Carbide drills have largely replaced high-speed steel (HSS) drills in the industry. Before 2000, the market share of cemented carbide and high-speed steel drills was about 50-50. The market share of H...
A U-Drill is a drilling tool with carbide inserts that can be easily and inexpensively replaced, a common U-Drill looks like this. Understanding the basics of hole making tools are those cutting tools...
A deep hole is defined by its depth-to-diameter ratio (D:d), typically a hole greater than 10:1 is considered deep. Metal deep hole drilling has a wide range of applications across multiple industries...
There are three traditional deep drilling methods: gun drilling, single tube system (STS) and double tube system (DTS, also called Ejector system). Is it necessary to start with a pilot or starter hol...