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...
A drill without a bit is like a bow without an arrow. The better the drill, the better the results. Like saw blades, drill bits come in many varieties and are suitable for drilling through almost anyt...
One of the most important requirements for high-speed drilling is also one of the most basic. Any skilled machinist knows to check for concentricity errors or runout of the cutting edge of a drill. As...