This way, you’ll be able to drill through it quickly and safely. You’ll want to use a bit that suits the job. Therefore, it is critical to know what type of material you are drilling. Using the wrong angle can damage the material or cause a tool to break. Using the correct drill bit is vital to the overall success of your project. A protractor can help you measure the angles and select the correct bit angle. You’ll be able to pull the bit in with more force and avoid walking, while a 90-degree angle is prone to walking. If you have a large drill bit, a 135-degree angle is better. While this is suitable for most materials, it may walk on some hard materials, such as steel. The 118 degree point is a good compromise between the two types.Ĭonsumer-grade bits are often 118 degrees. On the other hand, softer materials such as wood may need a smaller point angle. Generally speaking, this type of drill is furnished with cobalt steel and high-speed twist drills. However, if you are using a drill made of hard materials, you will need a drill with a 135-degree point angle. The 118 degree point works well for general-purpose drilling. The 118-degree bit is more likely to dull more quickly. This type of bit can cut soft materials like wood and plastic, but it can also puncture steel and other harder materials. The 118-degree drill bit is steeper and more pointed, with a smaller chisel. The difference between a 118-degree bit and a 135-degree drill bit lies in their point angles. 118degĪ painter needs brushes, a cook needs knives, and a contractor needs drill bits. The shallower angle is often more appropriate for small holes. In contrast, the flatter angle of 135 is best for drilling holes that have a very steep pitch. The shallower angle allows the bit to cut more material without quickly dulling, but it can also lead to wandering and require the use of a center punch. If you’re wondering about the difference between drill bit angles 118 and 135, read on.
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