Drill Bit Material Types

This is in a round about way the ultimate guide to drill bits.

Drill bit material types.

To drill a satisfactory hole in any material the correct type of drill bit must be used. Drill bits are cutting tools used to remove material to create holes almost always of circular cross section. Drill bits are some of the most common and versatile parts of any machine shop or home tool shed. While this guide to drill bits focuses on the various aspects and types of drill bits you are encouraged to purchase a drill bit kit.

Here s a quick overview of several types of drill bits materials and design types. High speed steel hss drill bits are used for drilling wood light metals fiberglass and pvc. Choose the right drill bit kit by learning the various types of drill bits available and what materials they cut. They may require a pilot hole to keep the bit from wandering.

The screw thread at the tip of the drill bit draws the drill bit into the material eliminating the need to push whilst the single spur cutting edge scribes the circumference of the hole for a smoother finish and the large flutes on the drill bit rapidly. Flatter points such as those with 135 degree angles are suited for drilling into harder material. For a typical drill bit the angle of the point helps determine what type of material the bit can drill. It must be used correctly and be sharpened as appropriate.

Black oxide coated drill bits are more durable than standard hss bits and the coating helps the drill bit resist rust these are best for hardwood softwood pvc fiberglass and steel. Different types of drill bit materials. Drill bits are often classified by the materials from which they are manufactured and the coatings applied to them. Drill bits come in many sizes and shapes and can create different kinds of holes in many different materials.

They can drill into metals solid wood furniture porcelain and even glass and with a variety of different drill bits available one can find an appropriate bit for almost any situation. It is sometimes critical that the drill bit you choose is the proper type for the job. In order to create holes drill bits are usually attached to a drill which powers them to cut through the workpiece typically by rotation. Many jobs around the house require a hole of some kind to be drilled whether it is putting up a shelf building a cabinet or hanging a light fitting.

One major aspect of drill bit selection is the material makeup of the drill bit itself. Auger bits are capable of drilling very large holes with ease and are designed only for drilling into thick hard and dry timber. You can often use a higher quality tool for a lower difficulty job but doing the opposite can lead to tool failure ruined parts or even personal injury or worse.