To drill a satisfactory hole in any material, the correct type of drill bit must be used; it must be used correctly and be sharpened as appropriate. 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 spur point drill bits 2019. For basic requirements, a set of high-speed steel twist drills and some masonry bits will probably be sufficient for the average handyman.

Good quality drill bits can be expensive, so take care of them, keep them in a case or box if possible, rather than allowing them to roll around loose in a toolbox where the cutting edges may be damaged.

Learning how to sharpen drill spur point drill bits 2019 is cost effective, it better to keep a bit sharp by occasional sharpening rather than waiting until it becomes really blunt. A sharp bit cuts better with less effort whether used in Spur Point Drill Bits 600 a power or hand drill. A sharp bit will also give a cleaner hole. Usuallyreferred to as twist drills, twist bits are probably the most common drilling tools used by the handyman with either a hand or electric drill.

The front edges cut the material and the spirals along the length remove the debris from the hole and tend to keep the bit straight. They can be used on timber, metal, plastics and similar materials.

Most twist bits are made from either:. Spur point drill bits 2019 bits are also available coated with Titanium nitride TiNthese are easily identified by the gold like colour. This coating increases the hardness of the bit and adds a self-lubricating property.

The coating is only really effective when metal is being drilled, it has little effect when working spur point drill bits 2019 other materials. Twist drills are usually available in sizes 0. They are designed for drilling relatively small holes, they sometimes tend to clog quickly especially when the wood is 'green' so when drilling deep holes especially in hardwood the bits should be withdrawn regularly to remove the waste.

Special care is required when using the smallest sizes since these bits are thin and brittle. Always hold Spur Point Drill Bits Kit the drill square to spur point drill bits 2019 work and apply only light pressure when drilling. Titanium nitride bits cannot be sharpened without destroying the coating although if the drill needs sharpening, the coating will probably have already been destroyed.

Forming the correct angle at the tip is important for efficient cutting. Designed to fit in rechargeable screwdriver these bits have a hexagonal shank.

They are ideal for drilling pilot holes but are limited by the low power of these type of screwdrivers and the limited size of small bits available. As the name suggests, these are designed for drilling into brick, block, stone, quarry tiles or concrete.

The cutting spur point drill bits 2019 is often made from tungsten carbide bonded to a spiralled steel shaft. Some masonry drills are described as 'durium tipped', this term refers to a spur point drill bits 2019 durable silicon bronze alloy used instead of tungsten as the cutting point. Masonry drills are usually used in a power drill; although they can be used with a lot of effort in a hand brace.

Most masonry bits can be used with a hammer action power drill, but always check as the action is quite punishing on the bit and cheaper bits have been known to shatter when subjected to the pounding.

Always use a slow rotational speed for drilling into harder materials to avoid overheating the tip, and frequently withdraw the bit to remove dust. Also known as a wood or dowel bit, they have a central point and two raised spurs that help keep the bit drilling straight.

The bit cuts timber very fast when used in a power drill and leaves a clean sided hole. They are ideal for drilling holes for dowels as the sides of the holes are clean and parallel.

Sizes range from 3 to 10mm. Spur point bits should only be used for drilling wood or some plastics. Spur point drill bits 2019 - a bit fiddly as it has to be done by hand. With their central point and two spurs, Bullet drills resemble spur point bits, but can be used in metal, wood and plastics. Unlike normal twist drills, the twisted flutes are ground away; making a truer, more accurate bit than normal twist bits.

They cut a clean hole and cause little damage when they break through the back of the workpiece. Although not a true 'drill', it is used in a power or hand drill to form the conical recess for the heads of countersunk screws. These bits tend to be designed for use on soft materials such as timber and plastics, not metals.

When used spur point drill bits 2019 a power drill to counter sink an spur point drill bits 2019 hole, the bit tends to 'chatter', leaving a rough surface. Better results be will obtained if the countersink bit is used before the hole is drilled, then take care to ensure that the hole is in the centre of the countersunk depression.

Countersinks are available with fitted handles so that they can be used by hand twisting, often easier than changing the bit in the drill when only a relatively few holes need countersinking. These combination bits are quite clever, they drill the clearance hole and countersinks it all in one stroke. Can be used in a power drill or some routers. Different bits are required for different size of clearance holes and they are probably not cost effective unless a large number spur point drill bits 2019 a given hole size need to be drilled and countersunk.

A bit for drilling ceramic tiles and glass, it has a ground tungsten carbide tip. They can be used with a hand drill, but are best used in a variable speed power drill on a slow speed. When drilling glass, some form of lubricant i. Ceramic tiles can also be drilled using a masonry bit if it is used at spur point drill bits 2019 speed and without hammer action.

Sharpening - difficult because of the hard tungsten carbide and curved cutting edge. With care and patience, a blunt edge can be made good using an oilstone. Intended for power drill use only, the centre point locates the bit and the flat steel on either side cuts away the timber.

The larger bits require a fairly powerful drill to bore deep holes. The bits cause a lot of splintering as they break out the back of the workpiece - using spur point drill bits 2019 sacrificial backing board will reduce this.

Flat wood bits are not really suitable for enlarging an existing hole. Used for cutting large, fixed, diameter holes in wood or plastic. They will usually cut up to a depth of 18mm - deeper versions are available. Best used in a power drill at low speed as the blade saws it's way through the material.

Like the Hole Saw above, these combination saws can cut large holes but they consist of a number of different sized round saw blades, usually ranging from about 25 to 62mm in diameter. Normally the blade are secures by a radial screw in the 'head', all blades other than the desired sized being removed before the screw is inserted to secure the required diameter blade.

Used to form holes with a flat bottom, such as for kitchen cupboard hinges. Best used in a power drill held in a drill stand as there's little in the way of a central point. If used freehand, the positioning is difficult to control as there is no central pilot bit. This is ideal when drilling large-diameter, deep holes in wood or thick man-made boards. Generally an Auger bit should only be used in a hand brace. The bit will cut a clean and deep, flat bottomed holes.

The Spur Point Drill Bits 10 single spur cuts and defines the edge of the hole while the chisel-like cutting edge removes the spur point drill bits 2019 within the previously cut circle. The threaded centre bites into the wood and pulls the bit into the timber. This 'pulling' action means that the bit is really unsuitable for use in a power drill. Drillbits - the different types twist bit - screwdriver bit - masonry - spur point - bullet pilot - countersink - tile - flat wood - hole saw - forstner - wood auger.

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