Red Seal Tool and Die Maker Practice Exam

Name a tool often used to create threads in machining.

1. A broach

2. A tap

3. A chisel

4. A wrench

The correct answer is: A tap

Creating threads in machining is a specific process that requires the use of particular tools designed for that purpose. A tap is a tool specifically designed for cutting internal threads into a hole. When a tap is turned, it creates helical grooves, or threads, that conform to standard sizes used for fastening. This allows for screws, bolts, or other threaded fasteners to be inserted into the tapped hole, providing a secure mechanical connection. In contrast, a broach is used for cutting precision shapes or profiles, not threads. A chisel is primarily used for cutting or shaping materials, such as wood or metal, but it does not create threads. A wrench is a tool used to grip and turn nuts or bolts that already have threads; it does not create threads itself. Thus, utilizing a tap is the most appropriate solution when the task is to cut threads in a material during machining operations.