What is a 10-24 Tap Drill Size

tap drill bits

A 10-24 tap drill size is a common internal threading size used in manufacturing. This size is often used in aerospace and automotive applications. A properly sized tap drill will create threads that are strong and durable, while also being tight enough to prevent leaks. 

What is a 10-24 Tap Drill Size?

A 10-24 tap drill size refers to the size of the hole that needs to be drilled in order for a 10-24 threading tap to be inserted. The specific dimensions of the hole depends on the type of threading tap being used, but generally speaking, it will be slightly smaller than 3/16 of an inch. 

tap drill kit

Once the hole has been drilled, the 10-24 tap can be inserted and used to create threads. This type of tap is commonly used in a variety of applications, such as creating threads for screws or bolts.

What Size of Drill Bit Do You Need for a 10-24 Tap?

A 10-24 tap is a small, delicate tool that is used to create threads in very thin materials. As such, it requires a correspondingly small drill bit. The best drill bit to use for a 10-24 tap is the number 25. These bits are small enough to create the necessary opening without damaging the tap. 

In addition, they are made of high-quality steel that is designed to withstand the high speeds and forces required for drilling. As a result, using the correct size and type of drill bit is essential for successfully tapping a hole with a 10-24 tap.

What Size is a 10-24 Tap?

A 10-24 tap is a machine screw tap that has 24 threads per inch and a major diameter of 0.190 inches (4.826mm). The 10-24 tap is also known as a 3/16-inch tap. This size tap is most commonly used for tapping holes in sheet metal, plastic, and aluminum [1]. 

tap drill bit sizes

It can also be used for tapping threads in wood, but this is not as common. The 10-24 tap is a popular size tap because it can create a variety of different thread sizes.


The 10-24 tap drill size is a bit that is used to create screw threads. It has a diameter of 0.190 inches and a thread pitch of 10 per inch. This size is most commonly used in manufacturing environments, where it can be tapped into metal or plastic parts to create threaded holes. 

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