Rotary Broaches

I do not see the size broach I am looking for?

We can manufacture any special size hex or square rotary broach in 1 to 2 days. You can use our Design Your Own Broach App to design your custom size tools.

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How long does one rotary broach last?

Rotary broaches are made from durable high speed steel. Smaller broaches, such as a 1/8” hex broach, can make over 1,000 parts in aluminum and other soft metals. Larger forms, such as an 8mm square, may only last into the mid 100’s. Calculating tool life is very difficult due to the number of variables […]

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How accurate is rotary broaching?

Rotary broaching is a very accurate method of producing precision polygon forms in a variety of metal work pieces. Broaches are precision ground to insure accuracy, and the rotary broach holder is designed to help machinists make repeatable accurate forms on nearly all turning machines.

Rotary broach forms manufactured by Polygon Solutions are made to […]

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Do rotary broaches work in stainless steel?

Rotary broaching stainless steel is challenging and can be unsuccessful. Two changes can be made from a standard rotary broaching set-up to make many broaching jobs work in stainless steel. The first change is with the broach material, and the second change is with the speeds and feeds.

The best grade for broaching stainless steel […]

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Do rotary broaches cut undersize or oversize?

Many customers ask if the broaches cut oversize or undersize. However, rotary broaches are precision ground to very tight tolerances. The holes that are cut will be nearly the exact same size as the broach. For this reason, most broaches are made to the high side of tolerance, so that as they wear, they […]

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