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They are designed to cut while doing a clockwise rotating motion. Several drill bits are coolant fed. They contain a channel or hole for directing the coolant fed near to the cutting edges. The split point drill heads of drill bits Five wings PDC bit are used for chip clearance and for excellent centering. Drill bits can also be used in cutting aluminum, general-purpose metals, brass, copper, bronze, ceramic, and plastic, stainless steel, steel, wood, titanium and hardened materials. Various types of drill bits are designed for different uses. Listed below are some types of Drill Bits. Twist Drill: It drills holes in plastic, metal and wood. This drill is currently produced with a width covering a range from 0.05 millimeters to 100 millimeters while its length is around 1000 millimeters. The most usual twist drill has a tip angle of 118 degrees. This is a proper angle for an extensive array of job. It also has a long series drill for extended length twist drills. It is not advisable to drill deep holes using this twist drill. Diamond Drill Bit Six wings PDC bit: This particular drill is used in the bathroom for updating or remodeling. It is also used in redesigning your kitchen decoration. Furthermore, it is used on ceramic, glass, tile, limestone, stained glass, marble, fiberglass, porcelain, stone, slate and porcelain tile. When using this drill, the main concern is to obtain water at the edge of the drill bit. Drilling fiberglass may be done with or without water but make sure that the fiberglass has ample amount of water just to get the drill wet. Indexable Drill Bit: This provides an excellent performance in making short-hole drillings. Stainless steel is drilled 3x in diameter and only a short-hole must be done. Listed below are some other types of drill bits ? Adjustable Bit: This is built with a changeable cutter blade to bore holes of various sizes. It is also used for drilling gaps for wiring or piping. ? Around-the-corner bit: It is used to cut arched holes that are stretched in corners with a diagonal cutting surface. ? Auger Bits: This drill creates drill holes in wooden materials. The drill ends have a screw head so that the bits may be self fed. ? Brad-point drill: This drill looks almost the same as the usual bits Elevator ligt sub but it has sharpened point to make wood drilling a lot easier. This drill has cleaner holes other than spade bits. ? Counterbore: The drill allows a screw to be driven under the wood outside. The holes that are drilled may be filled with a plug or wire. ? Drill Saw Bit: It is used to cut holes such as wood and metal and can enlarge current holes. ? Countersink: A drill that has an angled tip design that forms a "slump" in the screw head.
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