Broaching (metalworking)
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Broaching is a machining process that uses a toothed tool, called a broach, to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common
A push style 5⁄16 inch (8 mm) keyway broach; note how the teeth are larger on the left end.
A broached keyway in the end of an adjustable wrench
An example of a broached workpiece. Here the broaching profile is a spline.
A modular broach
Reamer
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A reamer is a type of rotary cutting tool used in metalworking. Precision reamers are designed to enlarge the size of a previously formed hole by a small amount but with a high degree of accuracy to l
Broaching (metalworking)
…or pull broaches cannot be used in a blind hole, while a rotary broach can, as long as there is sufficient space for chips at the bottom of the hole. Reamer Degarmo, E. Paul; Black, J T.; Kohser, Ronald A. (2003), Materials and Processes in Manufacturing (9th ed.), Wiley, ISBN 0-471-65653-4…
Adjustable hand reamer
Spiral fluted machine reamer
Four small tapered pin reamers
No. 3 morse taper reamer