13 best woodruff keyseat milling cutters

Woodruff keyseat milling cutters are cutting tools used in machining operations to create keyways or keyseat slots in a workpiece. Keyways are recessed slots that are typically used to accommodate keys or splines, allowing for a secure and precise connection between rotating components like shafts and hubs. Here are some key points about woodruff keyseat milling cutters:

Purpose: The primary purpose of a woodruff keyseat milling cutter is to cut keyways in shafts or other cylindrical components. These keyways ensure a secure and precise fit for keys, which transmit torque and prevent relative rotation between the components.
Design: Woodruff keyseat milling cutters have a unique design characterized by a T-shaped cutting edge. This cutting edge is ground into the shape of a half-moon or a "D" shape, which matches the contour of the key or keyseat. The cutter typically has a straight shank for mounting in a milling machine or a similar tool holder.
Keyseat Width: The width of the keyseat cut by the woodruff keyseat milling cutter corresponds to the size of the key or spline being used. These cutters are available in various widths to match different key sizes.
Milling Machine Use: To use a woodruff keyseat milling cutter, it is mounted in the spindle of a milling machine. The workpiece, usually a shaft or hub, is securely held in place on the milling machine table. The cutter is then lowered into the workpiece to create the keyway.
Cutting Process: As the milling machine's spindle rotates, the cutter's T-shaped cutting edge removes material from the workpiece.The cutter is fed into the workpiece either manually or through automated feeds, resulting in the creation of the keyway.
Accuracy and Precision: Woodruff keyseat milling cutters are known for their ability to produce accurate and precise keyways. This is essential for ensuring a tight fit between the key and keyseat, minimizing backlash and ensuring efficient power transmission.
Material Compatibility: These milling cutters are designed for use with various materials, including steel, stainless steel, aluminum, and other metals. The choice of cutter material may depend on the workpiece material and the specific machining requirements.
Maintenance: Like all cutting tools, woodruff keyseat milling cutters require proper maintenance. This includes regular inspection for wear and damage and sharpening or replacement as needed to maintain cutting performance.

In summary, woodruff keyseat milling cutters are specialized cutting tools used in machining operations to create keyways in shafts and other cylindrical components. Their unique T-shaped cutting edge and precision make them essential for achieving secure and accurate keyway connections in mechanical systems.

Below you can find our editor's choice of the best woodruff keyseat milling cutters on the market

Steelex M1082 Woodruff Keyseat Set, 9-Piece

Based on 14 reviews Check latest price

Product description

This HSS 1/2-Inch shank set with wooden tray includes: 3/16-Inch by 1-Inch, 1/4-Inch by 3/4-Inch, 3/16-Inch by 3/4-Inch, 1/8-Inch by 3/4-Inch, 5/32-Inch by 5/8-Inch, 3/32-Inch by 5/8-Inch, 1/16-Inch by 1/2-Inch, 1/8-Inch by 1/2-Inch and 1/8-Inch by 3/8-Inch cutters.

3/16-Inch by 1-Inch, 1/4-Inch by 3/4-Inch
3/16-Inch by 3/4-Inch, 1/8-Inch by 3/4-Inch
5/32-Inch by 5/8-Inch, 3/32-Inch by 5/8-Inch
1/16-Inch by 1/2-Inch, 1/8-Inch by 1/2-Inch, 1/8-Inch by 3/8-Inch
Hss, 1/2-Inch shank

User questions & answers

Question:	What is the cutting depth of the 1/8-Inch by 3/4-Inch
Answer:	1/4”

1/2" Diameter 1/8" Wide HSS Keyseat Cutter Straight Tooth, American Standard # 404, High Speed Steel, Super Tool, 40535

Super Tool

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Product description

1/2" Diameter 1/8" Wide HSS Keyseat Cutter Straight Tooth, American Standard # 404, High Speed Steel, Super Tool, 40535

1/2" Shank Diameter
2 1/8" Overall Length
Tool Diameter Tolerance: +.015"/+.020", Width Tolerance: +0"/-.0005"
Straight Teeth
Right Hand Cut

KEO 60080 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 1" Cutter Diameter, 12 Straight Teeth, 5/16" Face Width

Keo

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Product description

KEO woodruff keyseat cutters are extremely versatile profile milling cutters. Although originally designed to mill standard woodruff keyseat, they now satisfy a variety of applications from milling slots to milling threads. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
KEO woodruff keyseat cutters are extremely versatile profile milling cutters

Micro 100 KC-125-190-035 6 Flute Keyseat Cutters, 0.125" Cutter Diameter, 0.035" Cutter Width, 0.062" Neck Diameter, 0.190" Neck Length, 0.025" Radial Depth of Cut, 1/8" Shank Diameter, 1.5" Overall Length, Solid Carbide Tool

Micro 100

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Product description

The MICRO 100 KC-125-190-035 uncoated, solid carbide, keyseat cutter. Designed and engineered with a solid carbide one piece construction to improve cutting action while minimizing vibration, chip dragging, and recutting as well as improving side wall finishes. Available in both standard and long reach options. Ideally suited for semi-finishing, and universal cutting applications in soft, medium, and hard materials. Each tool's cutting edge/tip has a distinctive mirror like finish that significantly adds to material removal while improving surface finishes. Ideal for threading in small diameters. MICRO 100 Solid Carbide Tools feature more than just a micro-grain of excellent quality. Their substrate is in a class of its own resulting from exclusive treating processes that allow for vastly increased speed and feed rates. For over 45 years, MICRO 100 is a known industry leader and internationally acclaimed when it comes to solid carbide tooling.

Grizzly Industrial H3353 - Woodruff Keyseat Cutter - 1" x 3/16"

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Product description

For all of your keyseat cutting needs, these Woodruff Cutters are available in all of the common sizes.

Measures 1" x 3/16"
Package dimensions: 1.75" x 2.8" x 1.75"
Approximate weight: 0.15 lbs

3/4" Diameter 1/16" Wide HSS Keyseat Cutter, Straight Tooth, High Speed Steel, Narrow Width, Super Tool, 26121, USA Made

Super Tool

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Product description

3/4" Diameter 1/16" Wide HSS Keyseat Cutter, Straight Tooth, High Speed Steel, Narrow Width, Super Tool, 26121, USA Made

1/2" Shank Diameter
2 1/16" Overall Length
Tool Diameter Tolerance: +.015"/+.020", Width Tolerance: +0"/-.0005"
Straight Teeth
Right Hand Cut

Grizzly Industrial H3347 - Woodruff Keyseat Cutter - 3/4" x 1/8"

Based on 3 reviews Check latest price

Product description

For all of your keyseat cutting needs, these Woodruff Cutters are available in all of the common sizes.

3/4" x 1/8"
Package dimensions: 1.7" x 2.8" x 1.7"
Approximate weight: 0.1 lbs

User questions & answers

Question:	What size is the shank
Answer:	1/2
Question:	will this cut heat treated stainless steel
Answer:	NO!

RedLine Tools - 1/4 (.2500) Solid Carbide KeySeat Cutter Radius .0620 Depth of Cut - RKC761159

RedLine Tools

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Product description

RedLine carbide keyway cutters can be used in a variety of applications. Our key cutters are available in solid carbide or steel shank with a carbide head, with a selection of uncoated or AlTiN coated for use in multiple materials. Our offering includes full radius, corner radius, large diameter, long reach, deep slotting and fine tooth. All RedLine key cutting tools are proudly made in the USA. Used for machining aerospace and aircraft materials, nickel alloys, stainless steel and titanium. Maintains high surface hardness at high temperatures improving tool life and allows for aggressive speeds and feeds. Used in dry machining of cast irons and carbon steel. Requires and increase in speeds of 75-100%.

Woodruff seat cutting
6 cutting teeth
Solid carbide shank
Made in USA
Uncoated (Bright) Finish

KEO 62040 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 1/2" Cutter Diameter, 10 Straight Teeth, 1/16" Face Width

KEO Cutters

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Product description

KEO woodruff keyseat cutters are extremely versatile profile milling cutters. Although originally designed to mill standard woodruff keyseat, they now satisfy a variety of applications from milling slots to milling threads. ISO 9001:2008 Certified. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
KEO woodruff keyseat cutters are extremely versatile profile milling cutters

Drill America - DWCWC203 3/8" X 1/16" High Speed Steel Shank Type Keyeat Woodruff Cutter, DWC Series

Drill America

Based on 2 reviews Check latest price

Product description

#203 Woodruff Cutter 3/8 x 1/16 With 1/2 Shank.

High-Speed Steel Woodruff Keyseat Cutter, HSS T Slot Cutter Bit Straight Shank, Half‑Round Keyway Milling Cutter Tools 3 x 16 x 10mm

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Product description

Specification:

Item Type: T Slot Cutter Bit

Material: High speed steel

System: Metric

Handle Form: Straight shank

Blade Width: Approx. 3mm / 0.1in

Outer Circle Diameter: Approx. 16mm / 0.6in

Shank Diameter: Approx. 10mm / 0.4in

Package List:

1 x T Slot Cutter Bit

Exquisite workmanship, can be used for milling steel, aluminum, copper and iron materials.
Made of high‑speed steel, the milling cutter is strong and durable, has a long service life.
With good product performance, convenient for CNC processing and improve work efficiency.
The blade width of the product is 3mm, the outer diameter is 16mm, and the shank diameter is 10mm.
Convenient to use and with good performance, with small size, easy to carry and store.

KEO 62025 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 5/16" Cutter Diameter, 6 Stagger Teeth, 1/16" Face Width

Keo

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Product description

KEO woodruff keyseat cutters are extremely versatile profile milling cutters. Although originally designed to mill standard woodruff keyseat, they now satisfy a variety of applications from milling slots to milling threads. ISO 9001:2008 Certified. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
KEO woodruff keyseat cutters are extremely versatile profile milling cutters