Best Redline Tools in 2026

Last Updated: Sep 27, 2023

At a Glance: Our Top Picks

RedLine Tools - 1/2 (.5000) Carbide Head KeySeat Cutter Radius .1820 Depth of Cut - RKC781130
#TOP1
Redline Tools - 1/2 (.5000) Carbide Head Keyseat
3.5
PM SCORE
RedLine Tools - 3/64 (.0469) Single End Corner Radius Carbide End Mill, AlCrN Coated, 3 Flute .1410 LOC .0100 Radius, Round Shank Type, 2.5000 OAL - REM1047
#TOP2
Redline Tools - 3/64 (.0469) Single End Corner
0.0
PM SCORE
RedLine Tools - 1/4 (.2500) Single End Corner Radius Carbide End Mill, ZrN Coated, 3 Flute 1.2500 LOC .0200 Radius, Round Shank Type, 3.0000 OAL - RE21416
#TOP3
Redline Tools - 1/4 (.2500) Single End Corner
0.0
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the best Redline Tools of 2026

Market Overview
Redline Tools Reviewed
  • Reviews Analyzed: 341 Items
  • PM Avg. Rating: 5.0 / 10
11 Products Evaluated
  • Highest Price: $84.75
  • Lowest Price: $9.03
  • Avg. Price: $35.07

Redline Tools - 1/2 (.5000) Carbide Head Keyseat Cutter Radius .1820 Depth Of Cut - Rkc781130

REDLINE TOOLS
RKC781130
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Productivity, Inc. 9.14

Features

Woodruff seat cutting

10 cutting teeth

Solid carbide shank

Made in USA

Uncoated (Bright) Finish

Redline Tools - 3/64 (.0469) Single End Corner Radius Carbide End Mill, Alcrn Coated, 3 Flute .1410 Loc .0100 Radius, Round Shank Type, 2.5000 Oal - Rem1047

REDLINE TOOLS
REM1047
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Productivity, Inc. 9.14

Features

AlCrN Coating

.0100 Radius, 3 Flute

American Made Carbide

Photos may not be the exact representation of products.

Helix

Redline Tools - 1/4 (.2500) Single End Corner Radius Carbide End Mill, Zrn Coated, 3 Flute 1.2500 Loc .0200 Radius, Round Shank Type, 3.0000 Oal - Re21416

REDLINE TOOLS
RE21416
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Productivity, Inc. 9.14

Features

ZrN Coating

.0200 Radius, 3 Flute

American Made Carbide

Photos may not be the exact representation of products.

45° Helix

Redline Tools - #00 Center Drill Hss Combined Drill Countersink, Tin Finish, 2 Flute, 60° Point Angle, 1.2500 Oal - Rc27020

REDLINE TOOLS
RC27020A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Productivity, Inc. 9.14

Features

Made in USA

Centering Countersink

AlTiN Coated

Accusize Industrial Tools Ccmt21.51-Md Cvd Coated Carbide Inserts, 10 Pcs/Box, Black And Yellow, 2200-1008

ACCUSIZE INDUSTRIAL TOOLS
2200-1008
0.79 X 1.97 X 5.91 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Accusize Tools 9.83

Features

Ansi : CCMT21.51 ( = ISO CCMT060204 ), Insert Style: CCMT, Insert Size: 21.51

IC: 1/4, Thickness: 3/32, Thru Hole: 7/64, Radius: 1/64, 7 degree

Insert Grade: BPS101

Chip Breaker: MD

Material: Carbide, Coating: CVD Al2O3 TICN, Machining Parts Material: Steel, Machining Process: Finish

Accusize Industrial Tools Ccgt32.51-Ak-H01 Uncoating Carbide Inserts, 10 Pcs, For Machining Aluminum, Akh01X10

ACCUSIZE INDUSTRIAL TOOLS
AKH01X10
1.97 X 0.79 X 5.91 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Accusize Tools 9.83

Features

Used for machining aluminum

Carbide

10 pc/box

CCGT09T304-AK

Can be used on Accusize indexable boring bars and turning tool holders

Accusize Industrial Tools Tpg322 Tin Coated Carbide Inserts, 10 Pcs/Box, 2127-1028X10

ACCUSIZE INDUSTRIAL TOOLS
2127-1028X10
4.72 X 1.97 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Accusize Tools 9.83

Features

TPG322

TiN coated, C6 grade, carbide

With sharp triangle point tips, for both lathes and mills.

I.C: 3/8"; Thickness: 1/8"; Radius: 1/32"

1 1/8" Diameter 1/4" Wide Hss Keyseat Cutter Straight Tooth, American Standard # 809, High Speed Steel

SUPER TOOL
40553
2.25 X 1.13 X 1.13 Inches
0.18 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Super Tool, Inc. 5.88

Features

1 1/8" Diameter 1/4" Wide Keyseat Cutter Straight Tooth, American Standard # 809, High Speed Steel

2-1/4" Overall Length

1/2" Shank diameter, 2" Long Shank

1 1/8" Diameter +.015"/+.020"

12 Teeth

Drill America - Dwcwc406 3/4" X 1/8" High Speed Steel Shank Type Keyeat Woodruff Cutter, Dwc Series

DRILL AMERICA
DWCWC406
6.00 X 4.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Bright finish

Woodruff Cutter

High speed steel

Package Weight : 0.022 kilograms

Keo 64040 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 1/2" Cutter Diameter, 10 Straight Teeth, 1/8" Face Width

KEO CUTTERS
64040
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Keo 63030 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 3/8" Cutter Diameter, 8 Straight Teeth, 3/32" Face Width

KEO CUTTERS
63030
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

SUPER TOOL
40535
2.12 X 0.50 X 0.50 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Super Tool, Inc. 5.88

Features

1/2" Shank Diameter

2 1/8" Overall Length

Tool Diameter Tolerance: +.015"/+.020", Width Tolerance: +0"/-.0005"

Straight Teeth

Right Hand Cut

Redline Tools - 1/2 (.5000) Carbide Head Keyseat Cutter Radius .1820 Depth Of Cut - Rkc781130

REDLINE TOOLS
RKC781130
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Productivity, Inc. 9.14

Features

Woodruff seat cutting

10 cutting teeth

Solid carbide shank

Made in USA

Uncoated (Bright) Finish

Keo 66085 High-Speed Steel Woodruff Keyseat Cutter, Uncoated (Bright) Finish, Round Shank, 1/2" Shank Diameter, 1" Cutter Diameter, 10 Stagger Teeth, 3/16" Face Width

KEO CUTTERS
66085
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

5/8" Diameter 1/8" Wide Hss Keyseat Cutter Straight Tooth, American Standard # 405, High Speed Steel

SUPER TOOL
40536
2.13 X 0.63 X 0.63 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Super Tool, Inc. 5.88

Features

5/8" Diameter 1/8" Wide Keyseat Cutter Straight Tooth, American Standard # 405, High Speed Steel

2-1/8" Overall Length

1/2" Shank diameter, 2" Long Shank

5/8" Diameter +.015"/+.020"

8 Teeth

Redline Tools on Amazon: A Comprehensive Review

As an online shopper, it's crucial to make informed decisions. This review will focus on Redline Tools, a brand that has made its presence felt on Amazon. With its wide range of products in Countersink Drill Bits, Redline Tools has become a go-to for many shoppers.

Product Range

Redline Tools offers a vast product count of 11 items. This diverse selection caters to a wide array of needs and preferences, making it a versatile brand for consumers.

Quality and Pricing

Quality is a defining factor for any brand. Based on customer feedback and ratings, Redline Tools's products have an average rating of 5.0 out of 10, indicating a high level of customer satisfaction.

When it comes to pricing, Redline Tools has products ranging from a minimum price of $9.03 to a maximum of $84.75, with an average price of $35.07. This pricing structure caters to a wide range of budgets, making Redline Tools an accessible choice for many shoppers.

Customer Service

Customer service is the backbone of any successful online brand. Redline Tools is sold by productivity, inc., who are known for their commitment to customer satisfaction. They have been responsive and helpful, according to customer reviews and feedback.

Shopping Experience

The shopping experience on Amazon with Redline Tools has been largely positive. The brand's wide range of products, combined with the ease of navigation on Amazon, has made shopping a breeze for many customers.

Delivery and Packaging

Delivery and packaging are yet another aspect where Redline Tools shines. Items are delivered in a timely manner and the packaging ensures the products reach the customers in pristine condition.

Conclusion

In conclusion, Redline Tools offers a wide range of quality products at varying price points, making it a brand worth considering for your next Amazon purchase. Their commitment to customer service, combined with a seamless shopping experience, makes Redline Tools stand out in the crowded Amazon marketplace.

Overall Rating

Based on the analysis of product range, quality, pricing, customer service, shopping experience, and delivery, we rate Redline Tools [5.0 out of 10 stars].