Gear Tooth Cutters | McMaster-Carr

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Carbide-Tipped High-Speed Steel

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Aluminum Titanium Nitride (AlTiN) Coated

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796 Products

Gear Cutters

Also known as involute gear cutters, these tools work with a milling machine to create 14½° or 20° pressure angle spur gears.

Slitting Saws

High-Speed Steel Slitting Saws

These general purpose saws are good for cutoff, slitting, and slotting applications in a wide range of materials, including aluminum, iron, and steel.

Carbide Slitting Saws

Made of solid carbide, these saws are harder, stronger, and more wear resistant than high-speed steel for the longest life and best finish on hard material. Use them for cutoff, slitting, and slotting applications.

Slitting Saws with Side Teeth

With peripheral and side teeth, these saws remove chips for a consistent cutting width.

Smooth-Finish Slitting Saws

Also known as jeweler's slotting saws and metal slitting saws, these saws are good for use on wire, tubing, extrusions, and other very thin material that requires delicate cuts.

Face Milling Cutters

Roughing Face Milling Cutters

Serrations along the cutting edge act as chip breakers, so these cutters can remove large amounts of material at high speeds without sacrificing tool life.

Face Milling Cutters

With larger diameters than end mills, these cutters remove greater amounts of material to create a smooth, flat channel in the face of a plate, bar, or other wide workpiece.

Replaceable Carbide-Insert Face Milling Cutter Kits

These kits include a cutter body, inserts, wrenches, and screws, so you can create your own face milling cutters, which are also known as indexable face milling cutters.

Replaceable Carbide-Insert Face Milling Cutters

Combine a cutter with carbide inserts to create a face milling cutter, also known as indexable face milling cutters.

End Mills and Milling Cutters

Carbide-Tipped Convex-Radius End Mills

Made of carbide-tipped steel, these end mills maintain a sharper, harder edge at high temperatures than high-speed steel. They have curved, side-cutting teeth for creating hollow, inward-curving grooves.

High-Speed Steel Convex-Radius End Mills

Use these end mills for general purpose work in most material, such as aluminum, brass, bronze, iron, and steel. With curved, side-cutting teeth, they create hollow, inward-curving grooves.

High-Speed Steel T-Slot End Mills

Use these versatile end mills for milling in most material, including aluminum, brass, bronze, iron, and steel. They're often used to create slots in machine tool tables, indexing tables, and other workholding surfaces.

Carbide-Tipped T-Slot End Mills

Made of carbide-tipped high-speed steel, these end mills provide a sharper, harder edge at high temperatures than plain high-speed steel.

Concave-Radius End Mills

A scalloped profile creates rounded, outward-curving edges.

Carbide Keyseat End Mills

Made of solid carbide, these cutters are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. They mill precise notches in rotary shafts to fit machine keys and can also be used for slot milling.

High-Speed Steel Keyseat End Mills

Use these end mills for general purpose keyseat cutting in a wide range of material, including aluminum, iron, and steel. They mill precise notches in rotary shafts to fit machine keys and can also be used for slot milling.

Cobalt Steel Keyseat End Mills

With better heat and wear resistance than high-speed steel, these cobalt steel keyseat cutters can run at higher speeds and provide better performance on hard material. They mill precise notches in rotary shafts to fit machine keys and can also be used for slot milling.

Fast-Cutting High-Speed Steel Keyseat End Mills

Use these end mills for general purpose keyseat cutting in a wide range of material, including aluminum, iron, and steel. An alternating right- and left-hand tooth style allows them to remove more material at high speeds than standard keyseat cutters.

Fast-Cutting Carbide Keyseat End Mills

Get speed and longevity when cutting keyseats with these carbide end mills that have staggered teeth.