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The 8 Best radius gauges of 2024

Are you trying to find radius gauges among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling radius gauges on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 12 hours of research and did 21 radius gauges tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best radius gauges you can buy today

No. 1
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
  • ★【What You Get】: In this radius gauge set, it include 4 pack radius fillet gage which measuring range are R0.3-1.5mm, R1-6.5mm, R7-14.5mm, R15-25mm. They are well packed in a plastic box, easy for carry and store.
  • ★【High Quality】: All the radius gauge are made of high quality steel, heat processed with chrome finish, high strength, good resilience, elegant appearance. Surface polished smooth, applying anti-rust oil to prevent rust and corrosion.
  • ★【Measuring Range Detail】: R0.3-1.5mm is 0.3/ 0.4/ 0.5/ 0.6/ 0.7/ 0.8/ 0.9/ 1.0/ 1.1/ 1.2/ 1.3/ 1.4/ 1.5; R1-6.5mm is 1/ 1.25/ 1.5/ 1.75/ 2/ 2.25/ 2.5/ 2.75/ 3/ 3.5/ 4/ 4.5/ 5/ 5.5/ 6/ 6.5; R7-14.5mm is 7/ 7.5/ 8/ 8.5/ 9/ 9.5/ 10/ 10.5/ 11/ 11.5/ 12/ 12.5/ 13/ 13.5/ 14/ 14.5; R15-25mm is 15/ 15.5/ 16/ 16.5/ 17/ 17.5/ 18/ 18.5/ 19/ 19.5/ 20/ 21/ 22/ 23/ 24/ 25.
  • ★【Easy to use】: The radius measuring instrument has two types of leaves, each leaf is clearly marked, convenient to identify which leaf you need. So it can check the convex and concave surfaces. The convex pattern is used to detect the concave surface arc, and the concave template is used to detect the convex surface arc.
  • ★【Application】: They measure accurately and have almost no errors, will help you quickly and easily check the radius of tools. There are four radium gauges in different shapes and sizes to meet you various need. Very useful gauge for tool & die makers, machinists, and many other worker to check the radius of tools.
SaleNo. 2
Accusize Industrial Tools 25 Pc Radius Gage Set Fractional 1/64-1/2'' Gages with Holder, 3602-5021
  • Satin chrome finish
  • Individually marked
  • Rust proof steel
  • Supplied in plastic fitted case
  • 25 PCS set :1/64 - 17/64'' by 64th and 9/32 - 1/2 by 32nds with holder
No. 3
OBPFY Stainless Steel Radius Gauge Set, 6Pcs Portable Concave Convex External Internal Arc Measuring Tool for Tool and Die Makers Check (R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25/ R25-50/R26-80)
  • 【Feature】-- The radius measuring instrument has two types of leaves so it can check both convex and concave surfaces. Each leaf is clearly marked, Convenient to identify which leaf you need.
  • 【Scope Application】-- This radius gauge is 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.
  • 【Material】-- High quality stainless steel material made, Anti-rust and corrosion resistant, Durable and not easy to deform.
  • 【Size】-- R0.3-1.5mm/R1-6.5mm /R7-14.5mm/R15-25mm/R25-50mm /R26-80mm
  • 【Package】--6 Pcs Radius Gauge Set
No. 4
Accusize Industrial Tools 26 Pc Radius Gauge Set 0.010'' to 0.500'' Gauges with Holder, 3602-5025
  • Range: 0.010" - 0.500" with holder
  • Satin chrome finish
  • Individually marked
  • Rust proof steel; Supplied in plastic fitted case.
  • includes sizes: 0.010" to 0.025" by 0.005" ; 0.030" to 0.100" by 0.010"; 0.120" to 0.300" by 0.020" ; 0.350" to 0.500" by 0.050" .
No. 5
5Pcs Stainless Steel Radius Gauge, Portable Concave Convex External Internal Arc Measuring Tool Radius Fillet Gauge Set R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25/ R25-50
  • 【Package Includes】The radius fillet gauges set contains 5 different shapes and measuring range: R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25/ R25-50 to meet you various need.
  • 【Premium Material】This radius gauge is made of high quality stainless steel, durable, high hardness and resistant to rust.
  • 【Multi-purpose】The radius measuring instrument has two types of leaves so it can check both convex and concave surfaces. The convex pattern is used to detect the concave surface arc, and the concave template is used to detect the convex surface arc.
  • 【Excellent Design】The 360-degree Locking Screw design allows you to unfold or fold it easily. Each leaf is clearly marked, convenient to identify which leaf you need.
  • 【Wide Application】This radius gauge is 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.
SaleNo. 6
Dreamtop 9 Pcs Guitar Radius Gauge Under string Radius Gauge String Gauges Luthier Tools for Guitar Fretboard Radius Gauge
  • 【9 Pcs String Radius Guage】String gauges luthier tools including: 7.25", 9.5", 10", 12", 14", 15", 16", 17" and 20" radius. Fretboard radius gauge is small and light, easy to carry and store. A must have for bass guitar maintain and adjustment.
  • 【Accurate Guitar Neck Radius Gauge】Fretboard measured in radians, and radians to adjust the strings piano code, obtain accurate measurements of your instrument's fretboard radius, saddle radius, nut radius from either the upper or the bottom radius surface.
  • 【Professional Guitar Measure Tools】This set of luthier tool is made for helping you to set up your instrument with precision so that you can pluck at the right chords without stressing your fingers.
  • 【High Quality Material】All the Understring Radius Gauge measuring tools are made of stainless steel with smooth edges that anti-rust and scratch-prevent, durable to serve your guitar for a long term.
  • 【Easy to Use】 Radius Gauge come in the most popular fretboard radius gauge and make it easy to measure the radius from either above or below the strings.
No. 7
uxcell Radius Gauge Set 32 Plates R7-14.5mm Metric Radius Fillet Gauge, Portable Measuring Tool
  • Radius Gauge 16pcs at each end. Standard: R7-14.5mm.
  • Made of carbon steel, surface chrome-plated, anti-rust, high hardness, good wear resistance, not easy to deform.
  • Used to measure items with rounded corners. One side uses to measure the convex surface and the other side uses to measure the concave surface radius.
  • Each scale on the blade of the product is laser engraving, which is clear to read and easy to identify. Don't worry that long-term friction will make the scale unclear.
  • Mainly used for measuring the radius of arc surface, such as shaft processing surface, steel pipe, ceramic pipe inspection, etc.
No. 8
MusicNomad Precision Fretboard and String Radius Gauge Tool - 2 pc. Set (MN603)
  • Precision Radius Gauge Set with 7.25”, 9.5”, 10”, 12”, 14”, 15”, 16”, 20” Accurate Measurements
  • Measures Your Fretboard Radius & String Radius on Electric, Acoustic & Bass Guitars
  • Innovative Black Finish Makes It Easier to See if Strings are Touching, Plus Instructions Etched in the Gauge Takes out the Guesswork
  • The Premium Stainless Steel with Polished Smooth Edges Combined with Laser Etched Numbers and Text Ensures Years of Use
  • This Gauge is Part of our KEEP IT SIMPLE, SETUP (KISS) Method using our Precision Gauges & Tool Sets
No. 9
Mitutoyo 186-101, Radius Gage Set, 15 Pairs of Leaves, 1/32 to 1/4 by 64ths
  • Radius size is stamped on each gage
  • Both concave and convex radius gages
  • With a locking clamp.
  • Measurement Graduations: 1/64 inches
No. 10
10 Pieces Luthier Tools Include 9 Understring Radius Gauge and 1 String Action Gauge Ruler Measuring Tool for Guitar Bass Setup Repair Tools
  • String action gauge ruler: comes in 8.9 x 5.1 cm/ 3.5 x 2 inch, pocket-sized, double sided, marked metric and imperial, etch printing on double sides, will not fade, accurate and clear to measure string height, bridge height, nut slot depth, bridge slot depth and pickup height
  • Understring radius gauge: come in sizes of 7.25/ 9.5/ 10/ 12/ 14/ 15/ 16/ 17/ 20 inch, fretboard measured in radians, and radians to adjust the strings piano code, obtain accurate measurements of your instrument's fretboard radius, saddle radius, nut radius from either the upper or the bottom radius surface
  • Guitar luthier tool set: this luthier tool set includes 9 understring radius gauges and 1 double side string action ruler, comprehensive for setting up your guitar, convenient to carry and store
  • Longer-lasting material: all the guitar measuring tools are made of stainless steel with smooth edges that have no burrs, anti-rust and scratch-prevent, durable to serve your guitar for a long term
  • Simple and precise: this set of luthier tool is made for keeping your string instruments in almost the top playing condition, helping you to set up your instrument with precision so that you can pluck at the right chords without stressing your fingers

How to choose a good radius gauges

Does the idea of finding a fantastic radius gauges make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in radius gauges. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top radius gauges products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top radius gauges on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top radius gauges brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top radius gauges based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the radius gauges were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good radius gauges, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your radius gauges.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting radius gauges for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our radius gauges. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what radius gauges should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on radius gauges.