Groove Cutters | McMaster-Carr

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1,098 Products

Lathe Tools

Internal Grooving Lathe Tools for Retaining Rings

Long-Reach Internal Grooving
Lathe Tools for Retaining Rings

An extra-long shank provides additional reach.

Internal Grooving Lathe Tools for O-Rings

Cut small grooves inside a workpiece for insertion and removal of O-rings.

Face Grooving Lathe Tools

Machine circular grooves onto the end of a workpiece.

Carbide-Tipped External
Grooving and Cutoff Lathe Tools

A carbide tip brazed onto a ground steel shank makes these tools more wear resistant than high-speed steel tools.

Carbide-Tipped Turning Lathe Tools

Constructed of a carbide tip brazed onto a ground steel shank, these tools are more wear resistant than high-speed steel tools.

Quick-Change Lathe Tools and Holders

Reduce tooling setup time—install the holder once and alternate between applications by switching out the bit.

Lathe Tool Holders for Square-Shank Tools

Secure square-shank tools to a lathe.

Carbide-Tipped Turning Lathe Tool Sets

Constructed of a carbide tip brazed onto a ground steel shank, these tools are more wear resistant than high-speed steel tools.

Boring Lathe Tool Holders

Insert boring tools into a 45° or 90° slot at either end of the holder.

Indexable Lathe Tools

High-Performance Grooving Carbide Inserts

These inserts can cut grooves on both the outside and inside of a workpiece depending on the holder used.

Indexable Grooving and Profiling Carbide Inserts

The rounded nose on these inserts contours the outside of the workpiece and cuts grooves with rounded edges.

Indexable Cutoff and Grooving Carbide Inserts

Cut square corner grooves in a workpiece or cut completely through a part.

Cutoff and Grooving Carbide Inserts

Combine a holder and carbide insert to perform cutoff and grooving tasks on a lathe.

Tool Blocks for Blade-Style Cutoff
and Grooving Carbide Insert Holders

Mount blade-style holders to a lathe tool post or turret.

End Mills and Milling Cutters

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.

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.

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 Carbide Keyseat End Mills

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

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.

Carbide Dovetail End Mills for O-Rings

Create dovetail grooves that allow O-rings to flex without falling out of place.

Carbide Dovetail End Mills for Dovetail Milling Vises

Cut dovetail notches into your workpiece for use with our Dovetail Milling-Machine Vises.

Cobalt Steel Dovetail End Mills

With better heat and wear resistance than high-speed steel, these cobalt steel dovetail cutters run at higher speeds and provide better performance on hard material. Use them to create dovetail slots for connecting two components with a sliding fit.

High-Speed Steel Dovetail End Mills

Use these versatile end mills for milling in most material, including aluminum, brass, bronze, iron, and steel. They create dovetail slots for connecting two components with a sliding fit.

Arbor-Mount Milling Cutters

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.

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.

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.

Face Milling Cutters

Also known as shell cutters, these high-speed steel cutters are good for face and side milling. They have a large mill diameter for removing a large amount of material per pass.

Router Bits

Router Bits for Making
Corners in Honeycomb Panels

Cut V-shaped grooves into aluminum honeycomb panels, so you can fold the panels 90°. These bits are useful for bending panels to create partitions and storage cabinets. Also known as double-edge folding router bits.

Corner-Rounding Router Bits

Choose from bits that cut rounded, cove, wavy, or Roman ogee corners along the edges of your workpiece.

Hinge Mortise Router Bits

Use these bits to create large, shallow recesses in wood, such as mortises for hinge leaves.

Ball-End Router Bits

For smooth contour carving in wood, plastic, and aluminum, these bits have a ball-nose design.

Chamfer Router Bits

These bits make chamfer, bevel, and other angled cuts in wood.

V-Groove Router Bits

Carve V-shaped grooves in wood and plastic laminate.

Router Bits for Composites

The diamond-pattern flutes and cutting edges produce a fine finish on composite material.

Straight and Spiral Router Bits for
Wood, Particle Board, and Plywood

Create square slots, pockets, and edges in wood.

Panel Pilot Router Bits

The pointed tip creates starter holes for efficient plunge cutting in wood.

Flush-Trimming Router Bits

Cut layers of material flush to one another. All bits have a pilot to guide cuts.

Flush-Trimming and Chamfer Router Bits

These bits have a straight cutting edge for flush trimming and an angled cutting edge for making 22° chamfer cuts. They're for use on countertops and other plastic laminate material.

Spiral Router Bits for Steel and Stainless Steel

The aluminum-titanium-nitride (AlTiN) coating on these bits resists heat and wear when cutting steel and stainless steel. They have a square cut style for creating slots, pockets, and edges.

Spiral Router Bits for Foam

The cutting edges have a shallow angle to carve hard and soft foam. With a square cut style, these bits create slots, pockets, and edges.

Straight and Spiral Router Bits for Aluminum

Also known as O-flute bits, these have a single open flute for efficient chip removal when cutting aluminum. Use them to create square slots, pockets, and edges.

Straight and Spiral Router Bits for Plastic

Cut square slots, pockets, and edges in plastic.

Rabbet Router Bits

Make square, recessed rabbet cuts for joining wood.

Straight Router Bits for Ceramics

With a diamond coating, these bits resist wear when used on ceramics and other highly abrasive material. All have a square cut style to create slots, pockets, and edges.

Slotting Router Bits

With a ball-bearing pilot and wide cutting wings, these bits cut straight and smooth slots into wood.