This can lead to a marring of glass surfaces. Care should be taken when using a bit of this nature, as glass bits often wander until a hole has been established. Glass drill bits feature a spear-shaped head, which is designed to bore through glass without causing a fracture. These bits feature a screw thread at their outer tip, which is followed by a much larger, knurled segment.Īuger bits are also known to produce extremely clean holes.
Auger Drill BitĪuger drill bits are intended for use in low-speed, high-torque applications, and can be used in conjunction with a power drill or brace (by-hand). Masonry drill bits are typically used in conjunction with a hammer drill, and penetrate by use of crushing power, rather than cutting. Bits of this type feature a blunt Tungsten Carbide tip, which is brazed or welded in place. Masonry bits are designed to penetrate through concrete, brick, and block. Masonry Drill BitĪlso known as: concrete drill bit, hammer drill bit Though twist drill bits can be used on a variety of materials, they are seldom the most efficient bit for use in any specific application. Bits of this configuration typically feature 118-degree tips and are constructed of HSS (High-Speed Steel).
Read on to learn more about 41 different types of drill bits, and their specific uses.ĭrill bits of the “twist” variety are generally thought of as being general purpose in nature, due to their ability to bore holes in a wide variety of materials. Such understanding arms one with the knowledge necessary to accomplish most any tasks of the sort without any undue degree of difficulty. This places increased importance on understanding the specific uses of particular types of drill bits.
#3 TYPES OF DRILL BITS SERIES#
However, an incorrectly selected drill bit often produces the opposite effect, creating a series of headaches along the way. A drill bit, if correctly matched to its intended use, has the tendency to save both time and effort, as it penetrates effortlessly into any stock being drilled. However, perhaps more important than a drill itself is the type of drill bit that is selected for use with the task at hand. With such specialized equipment in hand, a tradesman can bore holes of virtually any size, at a rapid pace. Today, the practice of drilling has evolved substantially, including the use of power tools and specialized bits. The art of drilling various materials dates back to ancient times when early societies used crude instruments to bore out wood and stone.
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