![]() There are also bits for drilling holes into concrete, plastic, metal, wood, and other materials. You can drill soft materials with any bit, but for hard or brittle materials like acrylic or glass, you might need specially designed bits. You can drill just about anything - it all depends on picking the right bit size. A tap drill chart is key in matching pairs of female and male thread that tightly secure together. Also, drills with half an inch chuck will work with larger bits that are half-inch in diameter.Ĭhoosing the right size of the drill bit will mean that you will be able to get the hole drilled with the least amount of trouble and without causing any damage to the material, yourself, or the tools. 23 Printable Tap Drill Charts PDF A drill and tap chart is what specifies the right size of drill bit that one can use to create the correct sized opening that would complement tap dimensions. Drills with a ⅜-inch chuck will accept bits that are ⅜-inches in diameter. They can be used for a variety of do-it-yourself tasks and are suited for drilling tiny holes in masonry or concrete walls. The first and foremost thing is to ensure that the size of the drill bits shank matches your drill size. The most popular sizes for general-purpose drilling applications are medium-diameter bits, which range in size from 3/16 inch to 1/2 inch. The wrong drill bit size can waste time and resources or reduce the grip of fasteners. Why Does the Size of My Drill Bit Matter?ĭifferent drill bit sizes are suitable for different purposes. Browse our selection of durable cobalt drill bits in sizes up to 12 inches. Fractional-inch drill bit sizes: the drill bit sizes are written as irreducible fractions. The drill bit will then spin clockwise to create a hole. Drill bit sizes & dimensions chart or table featuring standard sizes measured in wire gauge number, letter, fractional and metric measurement systems. To use them, insert the upper end, also known as the shank, into the chuck in the drill. They are attached to the drill, which, when switched on, rotates to power through the workpiece, creating holes of circular cross-section. In some cases, the pre-drill screw chart may not have an exact match for your screw diameter. ![]() ![]() Step 5: Choose the Closest Drill Bit Size. Drill bits come in various sizes and shapes. For example, if your screw diameter is 1/4 inch, the recommended drill bit size might be 7/32 inch or 0.2188 inches. The decimal equivalents of the diameters are shown in both English and Metric units. ![]() A drill bit is a cutting tool used with the drill to create holes in almost any material. The drill size chart provides a list of standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter. ![]()
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