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Keyseater

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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. Read More…

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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Leading Manufacturers

Chicago, IL  |  800-966-6052

Broaching is a wide and varied industry that is as important as it is varied. We have nearly 60 years of industry experience offering the best broaching services in the industry. We take the time to ensure we provide just what our customers need from rotary broaching to spline cutting. No matter what you need, we can help you solve your most complicated issues. Contact us today for more info!

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VW Broaching Service, Inc. $$$

Kenosha, WI  |  262-764-3503

Toolamation, Inc. specializes in complete high-volume production broaching services. We have the capacity to produce many millions of parts annually. On-site tumbling, deburring, & sharp edge removal services. Fast turn-around. We also offer a range of screw machine tooling products.

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Toolamation, Inc. $$$

Freehold, NJ  |  732-972-5400

AmTech International is a leading manufacturer in the broaching industry. Our broaching machine production has a capability range from 2T-50T and up to 72? of stroke. We serve a variety of industries, including automotive, power transmission applications, and electronics. Metals that we use for broaching include stainless steel, brass, copper, and carbon steel.

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AmTech International $$$

Pewaukee, WI  |  262-542-2461

For over 100 years, Precision Gears, Inc. has been a leader in the broaching industry. We can work with widths from .063” up to 1”. Precision Gears has a wide variety of materials, including ductile iron, carbon steel, aluminum, and alloy steel. Industries we serve include medical, packaging, construction, and machinery.

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Precision Gears, Inc. $$$

Los Angeles, CA  |  800-621-1945

Pioneer Broach Company is premier vendor of quality rotary broaching cutting tools. We specialize in custom spline, serration and hexalobular shaped rotary or wobble broaches, and also offer a complete line of standard hex and square rotary broach tools. Our new rotary broaching toolholder is designed for all modern CNC machines, mills and lathes.

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Pioneer Broach Company $$$
placeholder image VW Broaching Service, Inc. Toolamation, Inc. AmTech International Precision Gears, Inc. Pioneer Broach Company

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.

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