Broaching/

Keyseater

A keyseater is a machine used to make the keyway hold inside a locking mechanism. Keyseaters are a type of broaching machine, which is a tool with a row of sequentially larger teeth used to cut holes and to make grooves in a material’s surface. The most common use of a keyseater machine would have to be the shaping of keyholes for locks.

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VW Broaching Service, Inc.
Chicago, IL
888-803-9067
V W Broaching appreciates the investment you`ve made in your parts, and our goal is to protect and enhance that investment. They have become one of the premier fabricators of tooling, and have a staff of in-house designers and toolmakers to quickly respond to your tooling needs. From a keyseater to much more, they have the capabilities to make what you need and make it right.
Avon Broach and Production Company
Rochester Hills, MI
248-650-8080
Avon Broach and Production Company has been at the forefront of quality manufacturing for over 57 years. With an inventory of more than 5000 tools and more than 80 pieces of production equipment, small or large production runs are processed with equal ease and with on time delivery. For upcoming orders regarding keyseater, contact Avon for assistance you can depend on.
Ohio Broach & Machine Company
Willoughby, OH
440-946-1040
For decades Ohio Broach has put back the cutting edge on dulled, unproductive broaches of every size and shape - keyways, splines, squares, hexagons, rounds, serrations and special forms - for companies worldwide. Our experience in every phase of broaching - design, manufacture, production and sharpening - has made Ohio Broach one of the most trusted names in broaching.
DeAngelo Instrument Inc.
Diamond, OH
330-654-9264
Providing quality broaching and prototyping for our customers, Ohio based company DeAngelo Instrument Inc has over twenty years of experience in the field. We specialize in straight sided splines, keyseater, gear cutting and splines. We took the company in a new direction after changes in F.D.A certification regulations and an increase in offshore competition.
Wolverine Broach Co., Inc.
Harrison Township, MI
586-468-4445
What production broaching can we do for you today? Wolverine Broach Co. is ready to provide broach management and prototype broaching, along with broaching services including grinding, sharpening, design and more. Located in Michigan and Tennessee, we can help you with your broaching applications. Give us a call today to learn more about our company, we look forward to hearing from you!

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Industry Information

Keyseater

Keyseaters are also known as keyway broaching machines, keyway cutters and keyseat cutters. They are a subcategory of internal broaching, which is a specific type of broaching that puts a hole from one surface side of a material through to the other side of the material, unlike blind broaching, which only involves surface work. These machines function by way of a topside support and guiding system, which ensures that the cuts are clean and precise. The cut comes from below the work-piece and cuts on the down stroke. The guiding system, usually a vise or clamp, keeps the material in place, and is either fed through the cutter manually, if the table is permanent, or if the table is moveable this happens automatically. The piece being cut moves horizontally, while the keyseater cutter moves vertically. Although keyseaters are best known for cutting key holes, they are also capable of making other cuts, including cuts that do not fully penetrate. Examples of other products are tools like wrenches, fasteners and bushings.

The materials keyseaters commonly pierce through are metal, wood and plastic. Keyseating machines are almost always CNC run machines. Any object that has a lock requires the skills and operations of a keyseater. Because of the varied materials that keyseaters must cut through, the material that they are made out of must be equally tough, if not more so. Diamond, cobalt, carbide and steel are all common materials for keyseaters, the first three being particularly effective for high speed machines. Coating is another necessity for keyseating machines, since the material is not about being corrosive resistant but doing the best job of keyseating consistently. Therefore, coating processes such as anodizing, plasma spraying, ion plating, thermal spraying and electroless plating all increase the tool's hardness and resistance to abrasion, as well as making them sleeker. All of these characteristics contribute to the workable life of the keyseater.

Keyseater Broaching
Image Provided by VW Broaching Service, Inc.