How to Use Taps And Dies to Create Threads?
Creating threads on a metal or plastic surface is a common need in many mechanical applications. One of the most popular methods of creating threads is by using taps and dies. In this guide, we will explore how to use taps and dies to create threads.
Understanding Taps and Dies
Taps and dies are tools used to cut threads into metal and plastic surfaces. Taps are used to create internal threads (such as those found on nuts and bolts), while dies are used to create external threads (such as those found on screws and bolts).
Taps and dies come in a variety of sizes and types, depending on the size and type of thread you need to create. It is important to choose the correct size and type of tap or die for your specific application.
Types of Taps
There are several types of taps available, but the most common ones are the taper tap, plug tap, and bottoming tap.
Taper tap: This tap has a more gradual thread starting point and is ideal for starting threads or for use in softer materials. The taper tap can also be used for through holes, as it helps guide the tap through the material.
Plug tap: This tap has a shorter taper and is ideal for creating threads in materials that are of medium hardness.
Bottoming tap: This tap has a much shorter taper than the other two types and is ideal for use in blind holes, where it is important to ensure the full depth of the hole is threaded.
Types of Dies
Dies come in various sizes and types as well, but the most common ones are the round die and the hex die.
Round die: This die is used for creating external threads on rods and bolts. It is often used in combination with a die handle or holder.
Hex dies: This die is used for creating external threads on hexagonal bolts and is often used in combination with a die handle or holder.
Steps to Use Taps and Dies to Create Threads
Determine the size and type of thread you need to create. This will help you choose the correct tap and die size.
Choose the correct tap or die size and type. This will depend on the material you are working with and the size and type of thread you need to create.
If using a tap, secure the material in a vise or clamp. If using a die, insert the rod or bolt into the die and secure the die in a vise or clamp.
If using a tap, apply cutting oil to the tap and start the thread by turning the tap clockwise. If using a die, apply cutting oil to the rod or bolt and start the thread by turning the die clockwise.
Continue turning the tap or die clockwise until the thread is fully formed.
If using a tap, reverse the tap and turn it counterclockwise to remove it from the material. If using a die, reverse the die and turn it counterclockwise to remove it from the rod or bolt.
Use a thread gauge to check the thread size and ensure that it is the correct size and type.
If necessary, use a thread chaser to clean up any imperfections in the thread.
For more information on male thread-cutting tools click here.