Types of Bits for Hammer Drills

Video Transcript

Hi! My name is Matthew Christian from Tampa, Florida and on behalf of Expert Village, we are going to talk about the proper use of a hammer drill. Let's take a moment and talk about drill bits. Drill bits come in a variety of sizes, shapes and applications. The drill bits that I have in this case here are our ordinary, typical every day drill bits but these are intended for wood, plastic or metal. Well today we are talking about the hammer drill which is primarily intended to be drilling through concrete. These drill bits would not be effective at all in concrete. As a matter of fact, they probably wouldn't do much and they would kill the drill bit rather quickly. As a result, there are drill bits designed for concrete. They are a little different one, they are hardened or heat treated and they have a different design on the head. If we look at these drill bits by comparison, we can see that they heads are a little bit different. This one has kind of like a hammer head shape to it. This one is intended for drilling through concrete or as you can see the difference on the ones that are intended for drilling wood or metal. They also come in different thicknesses. This is a 3/16's. We have a 5/32. These are primarily the most common sizes used for drilling holes in concrete in which we use a fastener that is designed to screw into that hole.

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