Best Radius Gauges of 2025

Brian Howie
Last Updated: Jan 7, 2025

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Radius gauges are essential tools for accurately measuring the curvature of a surface. These gauges are commonly used in woodworking, metalworking, and other manufacturing industries where precise measurements are critical. They come in a variety of materials, including stainless steel, plastic, and brass, and can measure both internal and external radii. Radius gauges are easy to use and provide accurate results, making them a must-have for any professional or hobbyist who values precision in their work. Whether you're a woodworker creating intricate designs or a metalworker crafting precise components, radius gauges are a valuable addition to your toolkit.

At a Glance: Our Top Picks

#TOP 1
Accusize Industrial Tools 25 Pc Radius Gage Set
ftb score rating icon9.8
#TOP 2
Glarks Radius Fillet Gage Set
ftb score rating icon9.7
#TOP 3
Accusize Industrial Tools 8 Pc Radius Gauge Set
ftb score rating icon9.5

Top 10 Radius Gauges

#TOP 1

Accusize Industrial Tools 25 Pc Radius Gage Set

EG02-5021
Silver
Unit
Accusize Industrial Tools 25 Pc Radius Gage Set, Fractional, 1/64-1/2'' Gages with Holder, 3602-5021
ftb score rating icon9.8
FTB Score

Accusize Industrial Tools 25 Pc Radius Gage Set is a set of 25 rust-proof steel gages with a satin chrome finish. The gages are individually marked, and the set comes with a plastic fitted case for storage. The set covers a range of 1/64 - 17/64'' by 64th and 9/32 - 1/2 by 32nds with holder. This is a great tool for measuring radii accurately and conveniently.

What We Like
Rust-proof steel
Satin chrome finish
Individually marked
#TOP 2

Glarks Radius Fillet Gage Set

G-985
Glarks 4 Pack R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25 Radius Gauge Set, Stainless Steel Radius Fillet Gage Portable Concave Convex Measuring Tool for Tool and Die Makers Check
ftb score rating icon9.7
FTB Score

The Glarks Radius Fillet Gage Set includes 4 high-quality steel gauges in the measuring range of R0.3-1.5mm, R1-6.5mm, R7-14.5mm, and R15-25mm. The gauges feature clear markings and come in a plastic box for easy storage and portability. These gauges are useful for measuring the radius of tools and have almost no errors. They come in different shapes and sizes to meet different needs, and they are applicable to tool and die makers, machinists, and other workers.

What We Like
High-quality steel construction with chrome finish
Clear markings and easy to use
Four gauges in different shapes and sizes to meet various needs
#TOP 3

Accusize Industrial Tools 8 Pc Radius Gauge Set

Accusize Industrial Tools 8 Pc Radius Gauge Set 9/16'' to 1'' Gauges, 3602-5022
ftb score rating icon9.5
FTB Score

The Accusize Industrial Tools 8 Pc Radius Gauge Set includes gauges with a range of 9/16" to 1'' by 16th, with a satin chrome finish and individually marked measurements. The rustproof steel gauges come in a plastic fitted case for easy storage and organization.

What We Like
Wide range of measurements
Individually marked for easy identification
Satin chrome finish adds durability and longevity
Rustproof steel construction ensures long-lasting use
Comes with a fitted case for easy storage and organization
#TOP 4

Accusize Industrial Tools Radius Gauge Set

Accusize Industrial Tools 26 Pc Radius Gauge Set Metric 0.5 mm -13.0 mm Gauges with Holder, 3602-5026
ftb score rating icon9.5
FTB Score

This radius gauge set includes 26 pieces ranging from 0.5 mm to 13 mm, marked individually and made with rustproof steel. The set comes in a plastic fitted case, making it easy to store and transport. With a satin chrome finish, these gauges are durable and accurate for measuring radii in various applications.

What We Like
Durable and accurate gauges
Wide range of sizes from 0.5 mm to 13 mm
Comes with a plastic fitted case for easy storage and transport
#TOP 5

uxcell Radius Gauge Set 32 Plates R7-14.5mm

US-SA-AJD-24410
uxcell Radius Gauge Set 32 Plates R7-14.5mm Metric Radius Fillet Gauge, Portable Measuring Tool
ftb score rating icon9.4
FTB Score

The uxcell Radius Gauge Set is a versatile and portable measuring tool that is made of carbon steel. Its surface is chrome-plated, ensuring it is rust-resistant and highly durable. With 32 plates that have a standard range of R7-14.5mm, this gauge set is perfect for measuring items with rounded corners. The laser-engraved scales on each blade are clear and easy to read, even after long-term use. The uxcell Radius Gauge Set is mainly used for measuring the radius of arc surfaces, making it ideal for tasks such as shaft processing surface inspection, steel pipe measurement, and ceramic pipe inspection.

What We Like
Versatile
Portable
Durable
#TOP 6

Mitutoyo 186-105 Radius Gage Set

504-186-105
Mitutoyo 186-105, Radius Gage Set, 17 Pairs of Leaves, 1mm to 3mm by 0.25mm, 3.5mm to 7mm by 0.5mm
ftb score rating icon9.3
FTB Score

The Mitutoyo 186-105 Radius Gage Set comes with 17 pairs of leaves that have a range of 1mm to 3mm by 0.25mm, and 3.5mm to 7mm by 0.5mm. Each gage is stamped with its radius size and can be used for both concave and convex measurements. The set also includes a locking clamp to keep the leaves secure. Made in Japan.

What We Like
Includes 17 pairs of leaves with a wide range of measurements
Stamped with radius size for easy identification
Can be used for both concave and convex measurements
Comes with a locking clamp to keep leaves secure
Made in Japan for high quality and reliability
#TOP 7

Mitutoyo 186-101 Radius Gage Set

186-101
Mitutoyo 186-101, Radius Gage Set, 15 Pairs of Leaves, 1/32 to 1/4 by 64ths
ftb score rating icon9.2
FTB Score

The Mitutoyo 186-101 Radius Gage Set is a versatile tool for measuring both concave and convex radius sizes. With 15 pairs of leaves ranging from 1/32 to 1/4 by 64ths, each gage is stamped with its corresponding radius size for easy identification. The set also comes with a locking clamp for secure measurements. The measurement graduations are in 1/64 inches, allowing for precise and accurate readings.

What We Like
Versatile tool for measuring both concave and convex radius sizes
15 pairs of leaves ranging from 1/32 to 1/4 by 64ths
Stamped radius sizes on each gage for easy identification
#TOP 8

5Pcs Stainless Steel Radius Gauge Set

5Pcs Stainless Steel Radius Gauge, Portable Concave Convex External Internal Arc Measuring Tool Radius Fillet Gauge Set R0.3-1.5mm/ R1-6.5mm/ R7-14.5mm/ R15-25mm/ R25-50mm
ftb score rating icon9.2
FTB Score

The 5Pcs Stainless Steel Radius Gauge Set is made of high quality stainless steel and includes 5 different shapes and measuring range to meet various needs. The measuring instrument has two types of leaves to check both convex and concave surfaces. The 360-degree Locking Screw design makes it easy to unfold or fold, and each leaf is clearly marked for easy identification. Widely used in home improvement, machine installation, electric equipment, suitable for tool and mold manufacturers, mechanics and many other workers to check the tool radius of the meter, measure the thickness or width of screw, valve, bearing ect.

What We Like
Durable and resistant to rust
Two types of leaves to check both convex and concave surfaces
360-degree Locking Screw design for easy unfolding and folding
#TOP 9

Yoursme 3602-5021 Radius Gauge Set

YS-25P
25 PCS Radius Gauge Set 1/64" - 1/2" with Holder, Come with Stainless Steel Radius Measuring Tool, 3602-5021 Radius Gauge Set
ftb score rating icon9.1
FTB Score

The Yoursme Radius Gauge Set is an essential tool for anyone involved in manufacturing, woodworking, or metalworking. With five different gauging surfaces, you can easily measure both convex and concave radii, ensuring precise measurements. The set covers a wide range from 1/64" to 1/2", making it perfect for various tasks. Each gauge is clearly marked for quick identification, so you can select the right one without hassle. Plus, the included holder allows you to measure in tight spaces, enhancing convenience and efficiency in your projects.

What We Like
Wide application across industries
Easy identification of gauges
Convenient holder for tight spaces
Durable stainless steel construction
#TOP 10

Camoo 26 Pc Radius Gauge Set

3602-5025R
26 Pc Radius Gauge Set 0.010'' to 0.500'' Gauges with Holder, 3602-5025 Radius Measuring Tool
ftb score rating icon9.1
FTB Score

The Camoo Radius Gauge Set is designed for precise measurements in various industrial tasks, making it an essential tool for woodworking and metalworking. With a measurement range from 0.010" to 0.500", each gauge is clearly labeled for easy identification, streamlining your work process. The user-friendly design includes a holder for hard-to-reach areas and a protective cover that rolls up for convenient storage, keeping your gauges safe from dust and rust. Made from high-quality stainless steel with a satin chrome finish, this set is durable and resistant to corrosion, ensuring long-lasting performance.

What We Like
Accurate radius measurements
User-friendly holder
Durable stainless steel
Convenient storage cover
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are radius gauges checking for?

Radius gauges are used to check the internal and external radius of workpieces. These gauges are made of high-quality steel sheets and are finished to an accurate radius. By comparing the radius of the gauges with the radius of the workpiece, you can ensure that the desired curvature is achieved.

2. How many types of radius gauges are there?

There are different types of radius gauges available, including two sets: A and B. Set A consists of gauge blades with a single function at each end. These gauges come in various sizes to accommodate different radius measurements.

3. When would you use a radius gauge set?

A radius gauge set is used to check the regular curvature of a radius and identify any imperfections. It can be used to ensure that the radius matches the desired shape and does not have a bumpy surface or leftover metal debris from machining. This tool is commonly used by pattern makers, mechanics, and professionals who need to measure dies, check machined workpieces, and verify screw machine operations.

4. What are the advantages of radius gauge?

The main advantage of using a radius gauge is its simplicity. Each end of the gauge has a specific function, making it easy to use. This tool is favored by pattern makers and mechanics for its versatility in measuring dies, checking machined workpieces, and verifying screw machine operations. Its accuracy and reliability make it a valuable tool in various industries.

Editor's Notes

During our radius gauge research, we found 24 radius gauge products and shortlisted 10 quality products. We collected and analyzed 7,582 customer reviews through our big data system to write the radius gauges list. We found that most customers choose radius gauges with an average price of $28.15.

The radius gauges are available for purchase. We have researched hundreds of brands and picked the top brands of radius gauges, including Accusize Industrial Tools, Glarks, uxcell, Mitutoyo, Together-life. The seller of top 1 product has received honest feedback from 347 consumers with an average rating of 4.8.

Written by

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.