![]() Generally, most drill bits are provided with a drill size chart or marking somewhere on the shaft or the main box. Though both types of measured bits are available in similar styling and materials, metric drill bits are recommended as more precise in sizing the holes because centimeters are divided smaller than inches that is why currently drill bits that are measured by following imperial system also have the metric measurement specified and mentioned in their box or packaging. It means that instead of inch measurement, we need to focus on millimeters in the metric measuring system for screw and bit sizes. Metric drill bits are measured by following the metric system, which is the significant and fundamental difference between any imperial drill bits and matric drill bits.īut almost any drill that uses imperial measured bits can also fit with the bits measured in the metric system. Metric drill bit sizes define the diameter of the bit in terms of standard metric lengths. What Drill Bit To Use For Screw Size Metric? While you are lining up the bit and screw to measure the sizes, include bt’s threads as its width size, including the bit’s threads, that will ensure the hole size broader than the screw size to fit it with the washer. In case you use washers or other materials for loose screws, you need to do the opposite of the first method. ![]() For example, if you have the size #2 screw, use a bit size of 1/16 or the #9 screw size, use a 9/64 sized bit. For screw size, just check on the contained packaging or boxes as it is supposed to mention there. Remember to calculate the bit size without the threads, or else your hole size will be too big for your screws to fit in.Īnother easy way to find out the bit size or screw size is by checking the labels on your purchased bits and screws packages because mostly drill bits dimensions are labeled on. Now, if the sizes are similar or closest, you are ready to do the drilling. To determine the size measurement of a drill bit for screws, just line them end to end and check whether the bit has the same width as one of the screws, excluding its threads. But fortunately, there are three easy to go methods to choose the right size of drill bit for a particular screw size-įirst, pick the screw you will use, and the next task is to pick a drill bit similar in size or the closest size. How To Select the Right Drill Bit Size For Screw Size?įinding the right drill bit size to use for a specific screw size may not be a massive deal for professional or pro users, but general and beginners mostly struggle. Those bits are also available with titanium or cobalt coating. But if you consider purchasing this type of bit, then remember to pick the high-speed steel labeled one(HSS). Metal bits have a wide-angled point at the end and are highly versatile, perfect for soft aluminum or other metal materials. These bits are perfect for hanging photos on the concrete surfaces. Masonry bits are highly durable and work best for stone and cinder blocks. ![]() Sometimes, and the tip of masonry bits is coated with carbide. High-speed steel wood bits are mainly significant for softwood materials, and also can be used for light metals, fiberglass, or PVC material drilling. These bits are the most versatile and commonly used and have a small, pointed tip at the very end. So let’s learn which bit type is for which specific type of work. Drill bits have been differently designed based on the medium and the material they will use. There are different types of drill bits to serve different needs, and each bit is for specific types of tasks. That means the capping off the drill string is the drill bit, encompassing the drilling process is drilling fluid, which provides buoyancy to the drill string. Purpose Of Drill Bitsīefore we move on to the brief discussion, let’s take a glance at how a drill bit serves us or how it works.Ī drill bit is a removable tool or part that mainly install in the front of the drilling machine for drilling holes in any materials. Therefore, today’s article aims to inform you of everything you need to know for determining the correct drill bit size to use for the correct screw size. ![]() And it would be much more time and money saver for you than hiring an expert for the task. However, knowing what drill bit to use for screw size, you can quickly achieve the perfect result. People often get confused between the drill bits to match the screw sizes unless they are a professional driller. While drilling, if you are not picking up the right bit size for your screw sizes, it can hamper or completely ruin your work. ![]()
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