In addition, they will not resist high torque and radial forces, causing them to break.Įxtremely high temperatures are generated during drilling. Cheaper drill bits tend to use lower-quality materials and are prone to damage. One of the most common reasons for drill bit breaking is poor drill bit strength and quality. On the other hand, high torque will cause the drill to break in the center of the flute. A drill usually breaks at the end of the flute due to radial force. What causes a drill bit to breakĭrilling into hard surfaces may cause the drill bit to break and, in some cases, become stuck. The tungsten carbide drill can drill 1,500 to 10,000 holes in aluminum, aluminum alloys, copper alloys, stainless steel, alloy steel, carbon steel, cast irons, and structural steel.īut, of course, the harder the material, the fewer drill holes you can make.A cobalt drill bit can drill as much as 1,000 to 2,000 holes on stainless steel, alloy steel, aluminum alloys, carbon steel, cast iron, structural steel, brass, and bronze.High-speed steel (HSS) can drill from 150 to 450 holes in stainless steel, aluminum, structural steel, and low carbon steel.You should expect to drill between 150 and 250 holes in concrete with each drill bit.It is also affected by the thickness and type of material drilled. How long the drill bits last can also depend on the material being drilled. But, on the other hand, the tungsten carbide drill bit will last longer than the cobalt drill bit. For example, a cobalt drill bit will last longer than regular high-speed steel (HSS). It will depend on various factors such as sharpness, drill speed, and the type of drill bit used. So how long do drill bit last? Drill bits can wear out much faster than you think. Friction and extreme heat can wear down the bit's critical cutting edges, making drilling jobs more difficult and time-consuming. Buy this incredible Bosch Professional drill bit set today on misterworker.Drill bits can become dull over time due to extreme heat from drilling holes on rigid surfaces and due to improper use. to anchor interior installations such as air conditioning and heating pipes, electrical cables as well as lights. Last but not least, these drill tips are the most perfect solution for creating cavities in solid concrete, e.g. As a consequence, professionals are able to drill holes of different sizes, to carry out a different variety of tasks.Īnother aspect that should be pointed out is that the EXPERT SDS PLUS-7X hammer drill bits are suitable for any Bosch Professional SDS plus rotary hammer drills. ![]() This set incorporates 7 different examples of hammer drill bits, each of them characterized by different length (from 115 to 165) and diameter (from 5,0 to 12,0). The products manufactured in this way feature an all-tungsten carbide head with 4 cutting edges, as well as a high quality connection of the tip end thanks to the brand's welding technology. The tips of the SDS PLUS-7X set have this robustness thanks to the Bosch Carbide Technology. You will have these bits in your assortment for an enhanced period of time. The drill bits contained in this set are up to 3 times longer lasting than the SDS plus-3 drill bits, thus giving them superior strength. ![]() Bosch Professional offers a vast assortment of drill bit sets, including also the E XPERT SDS PLUS-7X, which is highly searched on our website. Having high-quality, resistant hammer drill bits is fundamental to create holes in a broad range of materials without accidents or inconveniences. Hammer drill bits are effective components, useful for working on the hardest materials, such as concrete, brick, or even stone. Why Choose the Bosch SDS PLUS-7X EXPERT hammer drill bit set? Ideal for drilling holes in reinforced concrete, eg to anchor interior installations such as air conditioning, heating pipes, electrical wiring and lights.īest for electricians: long lasting and powerful. ![]() Lasts up to 3x longer than a standard drill bit.Įxtremely durable drill bit tip with "Bosch Carbide Technology".
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