Best Thread Gauges of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 7, 2025

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Thread gauges are essential tools for anyone involved in the manufacturing or repair of threaded components. These gauges are designed to measure the pitch, diameter, and other important characteristics of threaded objects to ensure that they meet the required specifications. Thread gauges can be used on a variety of materials, including metal, plastic, and wood, and are available in a range of sizes to accommodate different thread types. Whether you're a machinist, mechanic, or DIY enthusiast, having a reliable thread gauge in your toolbox can help you achieve accurate and consistent results every time.

At a Glance: Our Top Picks

Mitutoyo 188-151 Screw Pitch Gage Cover #TOP 1
Mitutoyo 188-151 Screw Pitch Gage
ftb score rating icon 9.8
5 Pcs Thread Pitch Gauges Measure Tool Set Cover #TOP 2
5 Pcs Thread Pitch Gauges Measure Tool Set
ftb score rating icon 9.7
ChgImposs Thread Pitch Gauge Cover #TOP 3
ChgImposs Thread Pitch Gauge
ftb score rating icon 9.5

Top 10 Thread Gauges

Mitutoyo 188-151 Screw Pitch Gage

188-151
Black
Mitutoyo 188-151 Screw Pitch Gage Cover
Mitutoyo 188-151, Screw Pitch Gage, 4 - 42 TPI and 0.4 - 7mm, 51 Leaves, Inch/Metric Black

The Mitutoyo 188-151 Screw Pitch Gage is a precision tool with 51 leaves, each marked with thread pitch. It features a locking clamp and is capable of measuring both inch and metric sizes. Customers have praised its accuracy, craftsmanship, and value, though some have noted that it is not suitable for measuring Whitworth threads.

What We Like
Accurate and easy to use
High quality craftsmanship
Good value for money
Measures both inch and metric sizes
Locking clamp for added security
#TOP 2

5 Pcs Thread Pitch Gauges Measure Tool Set

Quapkatt
5263
5 Pcs Thread Pitch Gauges Measure Tool Set Cover
5 Pcs Thread Pitch Gauges Measure Tool Set,Stainless Steel Thread Gauges 3 Pcs 55 & 60 Degree Metric System Centre Gage + 51Pcs America SAE Type + 52 Pcs Metric & America SAE Type & British Whitworth

The 5 Pcs Thread Pitch Gauges Measure Tool Set is a must-have for checking the size of molds, machines, and mechanical threads. Made of stainless steel and processed with chrome finish, this set is rust-resistant and has good resilience. With clear markings and easy-to-read numbers, you can easily rotate the thread pitch gauge blade where you press the tooth thread gauge. The set includes 51 pcs America SAE type measuring range is 4-84; 52 pcs Metric & America SAE Type & British Whitworth Metric is 0.25-6.0mm, Imperial is 4G-62G US: 8, 10, 11, 14, 19, 28. You also get 2 center gauges, and 1 x American SAE type pitch gauge 60°, 1 x British Whitworth metric system pitch gauge 55°.

What We Like
Clear markings and easy-to-read numbers
Rust-resistant and has good resilience
Includes a wide range of measurements
Comes with 2 center gauges
Convenient for adjustment and disassembly with screws

ChgImposs Thread Pitch Gauge

EPC_MEA_000
ChgImposs Thread Pitch Gauge Cover
ChgImposs Metric & Imperial & US Screw Gauge SAE Whitworth 55 Degree & Metric 60 Degree & & US 60 Degree Thread Pitch Gauge for Industrial Measurement

The ChgImposs Thread Pitch Gauge is a 55 Degree & 60 Degree Thread / Screw Pitch Gauge gage with lock up device. It is typically used to check the thread size determination is correct and is useful to check the tool angle when cutting threads on a metal lathe. The blade is made of stainless steel with wire drawing on the surface, ensuring accuracy of measurement. It includes metric, imperial, and US sizes, making it a great tool for any DIYer or professional.

What We Like
Stainless steel blade ensures accuracy of measurement
Includes metric, imperial, and US sizes
Useful for checking tool angle when cutting threads on a metal lathe

AltitudeCraft Thread Checker

AltitudeCraft
AC072
One Size
AltitudeCraft Thread Checker Cover
AltitudeCraft Thread Checker, Nut and Bolt Thread Checker, Bolt Size and Thread Gauge, Bolt and Nut Identifier Gauge, Bolt Gauge

AltitudeCraft Thread Gauge is a masterfully crafted tool made with durable SUS304 material. It features a wide-ranging size detection that instantly identifies 28 distinct sizes, including Metric thread sizes from M4 x 0.7 to M14 x 2.0, and Imperial threads from #6 – 32 Fine to 1/2 – 20 Fine. The laser-etched double scale provides quick and accurate identification of various thread sizes in inches and centimeters. The strong and portable design, made of lightweight 6061 aluminum, allows you to take it to different workplaces effortlessly. Mountable on a wall or toolbox, this convenient and essential tool is perfect for professionals and DIY buffs alike.

What We Like
Durable SUS304 Material
Wide-ranging size detection
Laser-etched double scale
#TOP 5

JoblikeBrez Thread Checker

JoblikeBrez
Thread Checker
JoblikeBrez Thread Checker Cover
JoblikeBrez Thread Checker, 30 Nut and Bolt Thread Checker, Bolt Size and Thread Gauge 15 Standard & 15 Metric, Thread Pitch Gauge, Wall-Mountable Bolt Thread Identifier Gauge with Inch & CM Ruler

JoblikeBrez Thread Gauge is a precision tool that simplifies identifying 30 nut and bolt thread sizes, adhering to ANSI standards for accurate sizing. By matching your hardware with the corresponding slots, you can effortlessly determine the size and pitch, eliminating guesswork. Crafted from durable aluminum, it includes drill gauges for added functionality. With its intuitive design and easy-to-read markings, even beginners can use it with ease. The versatile mounting options make it convenient for both hanging on a wall and placing on any surface while working.

What We Like
Precision Sizing
30 Nut & Bolt Sizes
Easy to Use
#TOP 6

Manalete Nut and Bolt Thread Checker

Manalete
Nut and Bolt Thread Checker 26
silver+black
Manalete Nut and Bolt Thread Checker Cover
Nut and Bolt Thread Checker 26 Male/Female Thread Gauges (14 SAE/Inch & 12 Metric) Nut and Bolt Thread Size Checker Thread Identifier Gauges for Quickly Identify and Verify

The Manalete Thread Checker is an essential tool for anyone working with nuts and bolts. With 26 gauges, including both inch and metric sizes, you can quickly determine the dimensions of your fasteners, saving you time and effort. No more rummaging through containers; this tool allows you to verify thread sizes before starting a project, especially beneficial for hard-to-reach bolts. Made from high-quality stainless steel, it resists rust and wear, ensuring durability. The clear labeling and hanging design make it easy to use and store, enhancing your overall efficiency in any task.

What We Like
Time-saving tool
Durable stainless steel
Clear size labeling
Convenient hanging design
#TOP 7

WEN Metal Thread Pitch Gauges

WEN
ME210G
Black
WEN Metal Thread Pitch Gauges Cover
WEN ME210G Metric and Imperial Metal Thread Pitch Multi-Gauge with Carrying Case, Two Pack, Black

Maximize accuracy in your life with a set of WEN Metal Thread Pitch Gauges. This pair of instruments provides a variety of measuring solutions, including threads, angles, conversions, and more.

What We Like
Includes one metric thread gauge in millimeters and one imperial thread gauge in inches
Metal construction with laser-etched scales provides maximum accuracy and durability
Both gauges feature removable taper guides for measuring taper depths
Onboard protractor and ruler help take quick measurements as needed
Can double as drill guides when needed
#TOP 8

Manalete Thread Checker

Manalete
30 Nut and Bolt Thread Checker
Manalete Thread Checker Cover
Manalete Thread Checker, 30 Nut and Bolt Thread Checker, Bolt Size and Thread Gauge, Bolt and Nut Identifier Gauge with 15 Standard & 15 Metric &19 Drill Bit Gauge,Screw Size Gauge

Manalete Bolt Thread Gauge is an excellent identification tool that quickly identifies 28 different sizes of bolts and nuts in both inch SAE and metric threads. The durable thread checker is made of high-quality materials ensuring maximum thread strength and precision accuracy. The easy-to-read markings with white lettering on a red background make identification quick and accurate. Its convenient design with pre-drilled mounting holes allows for easy storage and portability, making it a must-have tool for professionals and DIY enthusiasts.

What We Like
Durable materials
Easy identification
Convenient design
#TOP 9

SNSMBNSR 46pcs Thread Checker Set

SNSMBNSR
SNSMBNSRHZLG-40PCS
SNSMBNSR 46pcs Thread Checker Set Cover
SNSMBNSR 46pcs Thread Checker, Nut and Bolt Thread Checker, 24 Inch & 22 Metric Box Set Thread Gauge, Thread Checker Standard and Metric Suitable for Nut Bolt Size Finder in Narrow and Tricky Area

The SNSMBNSR Thread Checker is an essential tool for identifying bolt and nut sizes with ease. It features a detachable gauge that allows you to quickly pull out the right size from its organized storage box, making it ideal for tight spaces or trips to the hardware store. With both standard and metric measurements, you'll find a variety of thread sizes available. The kit also offers three easy ways to read the sizes, ensuring clarity when checking threads. Made from high-quality aluminum, this durable tool set is perfect for both professionals and DIY enthusiasts.

What We Like
Convenient storage box
Multiple size options
Clear size readings
Durable aluminum construction
#TOP 10

Keenso Thread Gauge

Keensog5mn62oqfd-02
default
Keenso Thread Gauge Cover
Thread Gauge Standard And Metric, 51/52Pcs Metric+ imperial (52pc) Stainless Steel Thread Pitch Guage, 60 and 55 Degree Thread Pitch Gauge White(Metric+ imperial (52pc))

The Keenso Thread Gauge is a versatile tool that allows you to measure thread and external thread tooth pitch with ease. Made of stainless steel with a chrome finish, it is not only durable but also resistant to rust. The gauge features a rotary switch for easy adjustment and precise measurements, making it ideal for checking tool angles while cutting threads in metal turning lathes. Its strong hardness and magnetic head ensure reliable performance. With its simple design and high strength, the Keenso Thread Gauge is a must-have for any DIY enthusiast or professional. It comes with a 100% product guarantee and excellent customer service.

What We Like
Versatile
Durable
Precise Measurements
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are the different types of thread gauges?

There are various types of thread gauges available. Some common thread designations include UNC, UNF, UNEF, UN, M/MJ (metric), NPT, NPTF, NPSF, ANPT, BSPT, BSPP, ACME, and buttress. These thread gauges are used to measure the size or diameter of the threads, and they are designed to measure the threads per inch in English pitch.

Editor's Notes

During our thread gauge research, we found 24 thread gauge products and shortlisted 10 quality products. We collected and analyzed 18,418 customer reviews through our big data system to write the thread gauges list. We found that most customers choose thread gauges with an average price of $16.27.

The thread gauges are available for purchase. We have researched hundreds of brands and picked the top brands of thread gauges, including Mitutoyo, Quapkatt, ChgImposs, AltitudeCraft, JoblikeBrez. The seller of top 1 product has received honest feedback from 658 consumers with an average rating of 4.9.

Written by
Brian Howie Avatar

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.