Best Metric Thread Gauges of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 10, 2026

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Metric thread gauges are a precise measuring tool used to measure the pitch or lead of screw threads. These gauges are essential for ensuring that the threaded components of a machine or device fit together properly. They are commonly used in manufacturing and engineering industries, as well as in automotive and aerospace applications. Metric thread gauges come in a variety of sizes and styles, including ring gauges, plug gauges, and thread pitch gauges. They are made from high-quality materials and designed to withstand frequent use and wear. Whether you are a professional mechanic or a DIY enthusiast, having a reliable metric thread gauge is essential for accurate and efficient work.

At a Glance: Our Top Picks

WEN Metal Thread Pitch Gauges Cover #TOP 1
WEN Metal Thread Pitch Gauges
ftb score rating icon 9.8
ChgImposs Thread Pitch Gauge Cover #TOP 2
ChgImposs Thread Pitch Gauge
ftb score rating icon 9.7
Manalete Thread Checker Cover #TOP 3
Manalete Thread Checker
ftb score rating icon 9.5

Top 10 Metric Thread Gauges

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

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
Affordable price
Compact and portable
Useful for various screw types
Good metric measurement accuracy

Manalete Thread Checker

30 Nut and Bolt Thread Checker
Manalete Thread Checker Cover
Manalete Thread Checker, 49 Nut and Bolt Thread Checker, Screw Size and Thread Identifier Gauge with 15 Standard & 15 Metric &19 Drill Bit Gauges, Bolt Size Finder for Quickly Identify Thread Sizes

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 4

Screw Thread Gauge | Metric and SAE

BCP675
1.6mm to 16mm
Screw Thread Gauge | Metric and SAE Cover
Screw Thread Gauge | Metric and SAE | Recommends Drill Bit & Tap Size (BCP675)

The BCP675 Screw Thread Gauge is a great tool for quickly and accurately determining the size of screws. It is constructed of thick hard plastic for lasting durability and features a smooth, easy-to-clean surface that resists oil and grease. It recommends the drill bit or tap size needed for the screw and is available in both standard and metric sizes.

What We Like
Easy to use
Accurate and clear markings
Sturdy plastic material
Compact and lightweight
Comprehensive size coverage
#TOP 5

ChgImposs Metric Screw Pitch Gauge

EPC_MEA_009
ChgImposs Metric Screw Pitch Gauge Cover
ChgImposs Metric Screw Pitch Gauge,60 Degree Cutting Gauge Tool Stainless Steel Thread Gauge with 0.25-6.0 Blades Range

The ChgImposs Metric Screw Pitch Gauge is a 60 Degree Thread/Screw Pitch Gauge with a lock-up device that is typically used to check if the thread size determination is correct. It has a measuring range of 0.25-6.0 and is useful to check the tool angle when cutting threads on a metal lathe. The gauge has all 24pcs blades made of stainless steel, with wire drawing on the surface, ensuring the accuracy of measurement and not easy to rust.

What We Like
Easy to use
Useful for checking tool angle when cutting threads on a metal lathe
24pcs blades made of stainless steel
Measuring range of 0.25-6.0
Accurate measurement ensured
#TOP 6

Manalete Nut and Bolt Thread Checker 45 Gauge Set

Nut and Bolt Thread Checker 45
Manalete Nut and Bolt Thread Checker 45 Gauge Set Cover
Nut and Bolt Thread Checker 45 Male/Female Thread Gauges (24 SAE/Inch & 21 Metric) Nut and Bolt Thread Size Checker Thread Identifier Gauges for Quickly Identify and Verify

The Manalete Thread Checker is a handy tool that helps you quickly identify the size of screws, bolts, and nuts with ease. It includes 45 thread gauges covering both standard inch and metric sizes, so you can work efficiently without guessing. This tool saves you time by eliminating the need to search through containers for the right fastener, especially when dealing with hard-to-remove nuts or bolts. Made from durable steel, each gauge is clearly labeled and can be rotated for easy reading. Plus, its hanging design lets you keep it organized and within reach in your workspace.

What We Like
Dual inch and metric gauges
Durable steel construction
Clear, easy-to-read labels
Time-saving identification
Convenient hanging design
#TOP 7

UNIPEC Metric Screw Pitch Gauge 0.5-7mm

5617
Metric 18-Leaf
UNIPEC Metric Screw Pitch Gauge 0.5-7mm Cover
Made in USA | Unipec Screw Pitch Gauge – 18 Leaves, 0.5–7.0mm Pitch | Metric Thread Gage Tool | Precision Steel Thread Measuring Tool

The UNIPEC Metric Pitch Gauge is a handy tool designed to help you quickly identify the pitch of metric threads ranging from 0.5 to 7.0 millimeters. With 18 precisely cut blades, you can easily measure both coarse and fine threads, making it ideal for work in machinery, automotive repairs, or general fastening tasks. Its sturdy construction from hardened steel ensures the tool stays accurate and durable even in tough shop environments. Plus, the foldable design lets you access each blade easily and store them safely, so you can carry the gauge wherever you go without worry.

What We Like
Wide pitch range
Durable hardened steel
Compact foldable design
Clear pitch markings
#TOP 8

Manalete 55-Piece Nut and Bolt Thread Checker Kit

SSSF-thread checker
red & blue
Manalete 55-Piece Nut and Bolt Thread Checker Kit Cover
55 Pcs Nut and Bolt Thread Checker (25 Metric & 30 Standard), Bolts and Nut Identifier Thread Gauge, Detachable Bolt Size Finder Especially for Tight Spaces

The Manalete Thread Checker Kit offers a versatile set of 55 detachable gauges, making it easy for you to quickly find the exact thread size you need, even in tight or hard-to-reach spots. Its lightweight and flexible design stands out from traditional bulky tools, providing convenience during inspections. Crafted from high-quality aluminum, this kit ensures precise and reliable measurements that meet industry standards, so you can avoid guesswork and mismatched parts. Additionally, it features three clear ways to read thread sizes—engraved dimensions, a printed chart, and labels on the foam holder—helping you identify sizes quickly and efficiently for both professional and DIY use.

What We Like
Detachable lightweight design
High-precision aluminum gauges
Clear, multiple size reading methods
Color-coded for quick ID
#TOP 9

JoblikeBrez Thread Checker

Thread Checker
30 Thread Checker
JoblikeBrez Thread Checker Cover
JoblikeBrez Thread Checker, Rustproof Nut and Bolt Thread Checker, Wall-Mountable Bolt Size Finder Tool, 15 SAE & 15 Metric Thread Gauge, Bolt and Nut Sizer for Quick Measurement

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 10

Manalete Nut and Bolt Thread Checker

Nut and Bolt Thread Checker 28
silver+black
Manalete Nut and Bolt Thread Checker Cover
Nut and Bolt Thread Checker 28 Male/Female Thread Gauges (15 SAE/Inch & 13 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
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is metric thread gauge?

Metric thread gauges are used to identify size and thead pitch of nuts, bolts and screws. Metric Sizing. Solid steel thread checker on wire lanyard. Offers knobs and slots with permanent, easy to read size markings that won't peel off. Chemical resistant (tested and approved!)

2. How do you read a metric thread gauge?

For Metric parallel threads, taking a caliper reading of the threads outer diameter in millimetres (mm) will give a reading of the exact thread size but not the thread pitch. For example, a caliper reading of 12.03mm indicates it is very likely a 12mm thread.

3. How many types of thread gauges are there?

There are two types of thread ring gages, solid and adjustable. Both gages are designed to check the correctness of thread, including thread depth and pitch diameter.

4. What is G in thread gauge?

The go end of the thread plug gauge must screw into the thread cut into a part by hand (without using excessive force)....Additional information.

Editor's Notes

During our metric thread gauge research, we found 24 metric thread gauge products and shortlisted 10 quality products. We collected and analyzed 36,428 customer reviews through our big data system to write the metric thread gauges list. We found that most customers choose metric thread gauges with an average price of $13.58.

The metric thread gauges are available for purchase. We have researched hundreds of brands and picked the top brands of metric thread gauges, including WEN, ChgImposs, Manalete, BCP Fasteners, UNIPEC. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

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.