In addition, there are several specialty counterbores available on the market, including: These hole making tools typically come in two different cutting diameters-a smaller diameter for the hole and a wider diameter for the recessed head cavity. CounterboresĬounterboring is ideal for jobs that require a fastener to sit flush with a workpiece surface, and it is usually performed after drilling. Similar to circular saw blades, hole cutters have individual carbide-tipped cutting teeth. Plus, they only need to cut the hole perimeter, making them a very efficient alternative to other tools. These metal working tools can cut far larger diameters than your standard drill bit. Hole CuttersĪlso called hole saws, hole cutters are used to cut perfectly round holes in metal, wood, and other materials. In addition, central drill bit hole angles are typically 60°. These hole making tools are favorable because they are very stiff and less likely to wander. They are generally used to produce a center hole on a workpiece for smooth turning between centers and support for the load while it turns. Center DrillsĬenter drills are comprised of a countersink and pilot drill. Other kinds include morse taper reamers, automotive reamers, welding equipment reamers, taper pin reamers, and die maker reamers. The most widely used type of reamer is the chuck reamer. This technique is typically performed after drilling in order to obtain the smoothest internal finish and most accurate hole diameter. They work by removing a very minimal amount of material from the workpiece. These metal working tools have an incredibly high degree of accuracy, making them perfect for slightly enlarging existing holes. Reamers can come in several configurations, including machine, left-hand spiral, right-hand spiral, and straight flute. Here are the most common types of broaches: Broach tools are used in various industries for all types of applications. The broaching process is valuable because it produces parts with incredible accuracy and surface finish. Common types of drill bits include:Ī broach part is a long, multi-toothed hole making tool equipped with progressively deeper cuts. With a wide variety of shapes and materials on the market, you’re sure to find the perfect industrial drill bit for any application. Drill bits work by entering the workpiece axially and then cutting a through-hole or blind hole with a diameter equal to the tool’s. They provide a quick, easy, and economical way to produce machined holes. Drilling & Drill Bitsĭrilling and drill bits are most commonly associated with hole making tools. Is it user-friendly? Adjustable? How much skill does it require? Let’s explore seven great metal working tools for hole cutting applications. For example, take into account the type of material you are working with, as well as the hole diameter and depth. When planning a holemaking operation, certain factors should be considered to determine the best tool choice. Let’s cover seven of the most common types of holemaking tools and how they typically fulfill holemaking applications. Holemaking tools range from broaches and countersinks to reamers and drilling tools.
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