10 Best twist drill of 2020

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Twist drill guide

Wood, stone and metal – who as a handyman the suitable twist drill to the drillHaving these three very different materials in his workshop is well prepared for all cases. Not everyone twist drill Due to special properties it can be used for drilling into any material. twist drill For metal, wood and stone differ essentially by the shape of their cutting edges and by the material from which they are made.

Wood drills – clean drilling in wood materials, hard and soft wood

Quality Wood Drillare made of HSS steel. This material is the most common for making twist drills. The special feature of wood drills is the small center point. The actual cutting a wood drill are straight and have no point angle. When drilling cut into the material parallel to the surface. So that wood drills do not run sideways during drilling, they have a centering point in the middle of the cutting edges, which ensures that the drills can be precisely positioned and drill straight through the wood. For home improvement, wood drill sets are practical, containing the most common 4, 5, 6, 8 and 10 mm diameter drills. With these sizes most of the work in the home workshop can be done.

Stone drills – piercing stone, concrete and tiles almost effortlessly

For drilling stone, concrete or stoneware tiles special drills are needed. Theoretically one could also drill with a metal drill in concrete, however the drill would become bluntly within shortest time. Concrete and stones act on normal drills like whetstones. For this reason, the bits of stone drills are made of tungsten carbide tips, which are soldered to or into the tip of the drills. Carbide is much more resistant than HSS steel. masonry drillTherefore, they last quite a while before they have to be replaced. Stone drills are available with smooth round shank for impact drills or with the so-called SDS and SDS-Plus shots for mallet drillsavailable. SDS drills can not work with a normal one impact drillbe used. If tiles are to be drilled, it is recommended to have a new as possible stone drill and a normal drilling machineor to use a hammer drill with the impact mechanism switched off. Drilling is done at low speed with very little pressure to prevent the tiles from shattering. A special tile or glass drill bit is usually not required for drilling tiles.

Metal drills – for easy drilling in aluminum and steel

Every hobby workshop also has a set of good metal drills. Metal drills are the most versatile ones twist drill , Metal drills made of HSS or with a gold-colored titanium nitrite coating are available. The coating is once again harder than the steel and extends the service life of the drills. However, coated drills are not required for normal use. Metal drills can be used to drill steel, aluminum and plastic. Although there are optimized for professionals for almost every material twist drill , which differ mainly in cutting, tip and rake angles. For home improvement, however, these special drills are not necessary. More important is the use of a cutting oil when drilling in steel or aluminum. The cutting oil reduces the friction between the cutting edges of the drill and the material. This significantly reduces wear and friction heat. The drill lasts much longer and the bore becomes more precise.

The right twist drills are available for every task. High-quality twist drills enable rapid and precise drilling in stone, concrete, wood, metal and plastic. For DIY enthusiasts sets with one set of twist drills for wood, stone and metal in the most common sizes as basic equipment for your own workshop are recommended. If additional drills with different diameters are required, these can be purchased separately. If drilling is required often and often, a replacement drill bit for the most widely used drill diameters is recommended. If a drill is worn and can not be reground quickly, the work stoppage is only short if a replacement drill is at hand.

Production Titex Plus Twist Drill

Production from the year 1989 for the Frankfurt company Günther & Co. GmbH in Ffm-Rödelheim.

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*Last update on 2020-11-04 / Affiliate links(we get a commission when you buy on amazon) / Images from Amazon Product Advertising API