The 6-point socket is used for heavy jobs that require the application of heavy or substantial torque. However, there’s another category to this socket known as a 6-point socket. The 12-point sockets are usually meant for light household tasks. So, even if you’re a newbie, you can easily use it, as there won’t be an alignment problem. You can easily slip this socket over the tool in any of the available 12 positions. Such sockets, especially the 12-point one, are very easy to fit and use. Point Sockets: Next on our list are the point sockets. And impact sockets get the job done here as they are sturdier and more robust than conventional sockets. Now, for such tools, you need sockets that are sturdy and can withstand high torques. Impact sockets are specially designed to fit in such tools.įor example, let’s suppose you’re working with a pneumatic or electric wrench. And this is where impact sockets come into the picture. However, most socket types don’t attach with such tools. It’s because they are old school and have a sturdy build. Impact Sockets: Most of the time, people prefer hand tools. If you’re in the mechanical field, you’ll find the below information useful. There are different sockets suited for different jobs. It’s used for precision or interior jobs. You can use such drives for small sockets with a maximum size of 14mm. 1/4″ Drives: When it comes to low torque jobs, you can go for 1/4″ drives.It’s because you can use these drives to cover sockets and areas for different jobs. 3/8″ Drives: Such drives are more versatile.You can use these when driving lag bolts into the walls for mounting your LED TV. ½” drives are mostly used in 19mm socket sizes. 1/2″ Drives: Such drives are mostly used for heavy jobs where the nuts are massive and need more force or torque.There are three commonly found standard sizes according to what you need it for. This size drill bit should be used for drilling the initial hole that will then be tapped.You can think of a drive socket as the hole (square) for attaching the socket to a turning tool like a wrench or a ratchet. Lastly, the recommended tap drill size is provided for each standard tap size. The drill size chart contains tools up to 1.5 inches in diameter, but larger tools are also commonly used.įor each thread count, the equivalent thread pitch is provided and for metric taps, the approximate thread count is shown based on the pitch. The metric system uses the thread pitch, which is the distance between threads, measured in millimeters. In the fractional and screw size systems, the thread count is used, measured in threads per inch, such as UNF threads and UNC threads. The thread spacing can be coarse or fine, will be listed after the diameter. A screw size number corresponds to a diameter which is larger for a higher screw size. Fractional sizes are listed in inches, metric sizes are listed in millimeters following the letter "M". The tap size chart is a table that lists standard size taps, specifying the diameter and thread spacing, for fractional, metric, and screw sizes. The decimal equivalents of the diameters are shown in both English and Metric units. The wire gauge and letter systems refer to tool diameters that increase as the wire gauge decreases from #107 to #1 and then continues from A to Z. Fractional sizes are measured in inches, while metric sizes are measured in millimeters. The drill size chart is a table list standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter. People would need a drill size chart and tap size chart to determine the proper tap drill for a certain thread size or proper tap for an existing hole. One of the most common ways to produce the thread holes is to drill a hole of the right size with a drill bit and tap it with a tap. When manufacturing custom CNC machining parts, holes with screw threads are often required for fastening the finished part or facilitating the building. What is the Drill and Tap Size Chart and Why to Use Them? When it comes to the selection of drill bit sizes and tap sizes, there are standard drill and tap size chart for reference. Drilling is a process of producing a hole while tapping is a technique used to cut a thread inside a hole, so the drill bit and tapping tool are often used in sequential to fabricate CNC parts with thread holes.
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