20 Best Bolt And Nut Gauge [2022]

Are you looking for the best bolt and nut gauge? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling bolt and nut gauge.

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# Preview Product
1 SAE and Metric Bolt Gauges Check a Thread Nut Fastener Size SAE and Metric Bolt Gauges Check a Thread Nut Fastener Size
2 Stainlesstown Nut Bolt Thread Gauge (Red) Stainlesstown Nut Bolt Thread Gauge (Red)
3 CKE Nut & Bolt Thread Checker (Inch & Metric) - 26 Male/Female Gauges - 14 Inch & 12 Metric CKE Nut & Bolt Thread Checker (Inch & Metric) - 26 Male/Female Gauges - 14 Inch & 12 Metric
4 Nut & Bolt Thread Checker (Wall Mounted) White Nut & Bolt Thread Checker (Wall Mounted) White
5 Stalye Nut & Bolt Thread Checker - 26 MaleFemale Gauges - 14 Inch & 12 Metric for Quickly Checking... Stalye Nut & Bolt Thread Checker - 26 MaleFemale Gauges - 14 Inch & 12 Metric for Quickly...
6 SST Identibolt Bolt and Nut Identifier Gauge SST Identibolt Bolt and Nut Identifier Gauge
7 Nut & Bolt Thread Checker (Inch & Metric), Original Version (SWTC-26) Nut & Bolt Thread Checker (Inch & Metric), Original Version (SWTC-26)
8 Nut and Bolt Thread Checker (Inch & Metric) - 26 Male/Female Thread Identifier Gauges - 14 Inch & 12... Nut and Bolt Thread Checker (Inch & Metric) - 26 Male/Female Thread Identifier Gauges - 14 Inch &...
9 Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set) (Packs) Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set) (Packs)
10 Blue SAE and Metric Bolt Gauge Check a Thread Fastener Tool Blue SAE and Metric Bolt Gauge Check a Thread Fastener Tool
11 Marine Bolt Supply Nut, Bolt & Screw Gauge Standard & Metric Coarse & Fine Diameter, Length & Thread... Marine Bolt Supply Nut, Bolt & Screw Gauge Standard & Metric Coarse & Fine Diameter, Length &...
12 Screw Bolt Nut Thread Measure Gauge Size Checker (Inch Standard & Metric) Screw Bolt Nut Thread Measure Gauge Size Checker (Inch Standard & Metric)
13 Boltsize-It Gauge, Blue Boltsize-It Gauge, Blue
14 EAWONGEE Nut and Bolt Thread Checker, Inch & Metric Thread Gauge, Nut and Bolt Size Gauge- 14... EAWONGEE Nut and Bolt Thread Checker, Inch & Metric Thread Gauge, Nut and Bolt Size Gauge-...
15 Black Bolt Gauge SAE Metric Check a Thread Size FastenerLine 901303 Black Bolt Gauge SAE Metric Check a Thread Size FastenerLine 901303
16 Black SAE and Metric Bolt Gauge Check a Thread Fastener Tool Black SAE and Metric Bolt Gauge Check a Thread Fastener Tool
17 Tradespro Nut and Bolt Head Sizer, Gauge 5/16' – 1' and 8mm – 25mm - 837999 Tradespro Nut and Bolt Head Sizer, Gauge 5/16" – 1" and 8mm – 25mm - 837999
18 Bolt and Nut Thread Size Fastener Gauge SAE Inch Bolt and Nut Thread Size Fastener Gauge SAE Inch
19 Thread Gauge - Small Inch & Metric Sizes - Nuts, Bolts & Screws Measuring & Identification Tool Thread Gauge - Small Inch & Metric Sizes - Nuts, Bolts & Screws Measuring & Identification Tool
20 Rivet, Drill Bit, & Screw Thread Combo Fastener Gauge | Metric and SAE | (BCP674) Rivet, Drill Bit, & Screw Thread Combo Fastener Gauge | Metric and SAE | (BCP674)
Bestseller No. 1
SAE and Metric Bolt Gauges Check a Thread Nut Fastener Size
  • Save a trip to the hardware store.
  • Heavy duty USA mold keeps bolts and nuts in place.
  • A must have for anyone who uses fasteners.
  • Quickly check thread sizes.
Bestseller No. 2
Stainlesstown Nut Bolt Thread Gauge (Red)
  • Measures diameter, thread pitch & length of nuts, bolts & screws
  • Measures fractional bolts from size #4 to 1" up to 7" long
  • Measures metric bolts & screws from size 3mm to 22mm
  • Made of very durable 1/4" thick hard plastic
  • 1/4" thick x 8-3/4" Long x 3-3/8 Wide Color: Red
Bestseller No. 3
CKE Nut & Bolt Thread Checker (Inch & Metric) - 26 Male/Female Gauges - 14 Inch & 12 Metric
  • 🔦Feature - The Inch & Metric Thread Checker is an accurate and easy-to-use thread identifier for both nuts and bolts. Each individual gauge...
  • 🔦Nut & Bolt Thread Checker - Each size has a nut and bolt checker on the same gauge 26 male/female gauges - 14 inch & 12 metric.
  • 🔦Zinc Plated for Inch Size - Includes 14 Inch Size part numbers: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24,...
  • 🔦Black Oxide for Metric Size - Includes 12 Metric Sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5,...
  • 🔦Fast Size Finder - Thread sizes are permanently stamped onto each gauge. The individual gauges rotate freely on the wire cable for fast thread...
SaleBestseller No. 4
Nut & Bolt Thread Checker (Wall Mounted) White
  • The thread checker is an accurate and easy-to-use thread verifier for both nuts and bolts
  • Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric Threads
  • Each size has a nut and bolt checker on the same gauge
  • Bolt and nut thread checker, bolt length and screw size checker in both metric and standard sizes
  • Pre-drilled for easy mounting (top and bottom)
Bestseller No. 5
Stalye Nut & Bolt Thread Checker - 26 MaleFemale Gauges - 14 Inch & 12 Metric for Quickly Checking...
  • 【Nut & Bolt Thread Checker】 These thread gauges includes 26 male/female gauges - 14 inch & 12 metric.Thread sizes are permanently carved on each...
  • 【Efficiency Improving】Big Time Saver No more bent over the container looking for a nut/bolt to finish your project,especially the nut or bolt...
  • 【High Quality Material】 These nut & bolt thread checkers are made of strong material. Inch gauges are clear zinc plated, metric gauges are black...
  • 【Black Oxide for Metric Size】Includes 12 Metric Sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5,...
  • 【Zinc Plated for Inch Size】 Includes 14 Inch Size part numbers: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24,...
Bestseller No. 6
SST Identibolt Bolt and Nut Identifier Gauge
  • The ULTIMATE Nut and Bolt Identification Tool
  • Measure from 4mm & #6 up to 14mm and 1/2" threads
  • CNC Machined from 6061 Aluminum with a Protective Anodized Finish
  • Laser etched markings wont fade or get scratched off
  • Measures 4" wide x 20" tall
Bestseller No. 7
Nut & Bolt Thread Checker (Inch & Metric), Original Version (SWTC-26)
  • Each size has a nut and bolt checker on the same gauge. 26 male/female gauges - 14 inch & 12 metric.
  • Thread sizes are permanently stamped onto each gauge (inch in red, metric in white)
  • Inch gauges are clear zinc plated, metric gauges are black oxide.
  • The individual gauges rotate freely on the wire cable for fast thread verification
  • Wire cable with loop for convenient hanging
SaleBestseller No. 8
Nut and Bolt Thread Checker (Inch & Metric) - 26 Male/Female Thread Identifier Gauges - 14 Inch & 12...
  • Nice Bundle: These thread gauges includes 26 male/female gauges - 14 inch & 12 metric. Each size has a nut and bolt checker on the same gauge. The...
  • Efficiency Improving: No more bent over the container looking for a nut/bolt to finish your project. Identifying the size and thread of nuts and bolts...
  • Handy Tool Which You Should Have One: Excellent item for the mechanic; Applicable to mechanical repairs, or common threads in plumbing, air and gas...
  • Convenient hanging: The wire cable of this thread identifier with loop for hanging it on the wall in your workshop or garage beside your toolbox.
  • Quality Process and Material: These nut & bolt thread checkers are made of strong stainless steel. Inch gauges are clear zinc plated, metric gauges...
SaleBestseller No. 9
Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set) (Packs)
  • 23 of the most common SAE and 21 of the most common metric sizes, see description
  • Each included size has a nut and bolt checker on the same gauge.
  • Thread sizes are permanently stamped on each gauge.
Bestseller No. 10
Blue SAE and Metric Bolt Gauge Check a Thread Fastener Tool
  • Made of aluminum in a convenient vertical sized tool.
  • All the popular thread sizes including course and fine threads.
  • Hi contrast lettering so you can quickly and easily find your thread.
  • Dimensions: 37" Height x 3.25" Wide x 1" Deep
Bestseller No. 11
Marine Bolt Supply Nut, Bolt & Screw Gauge Standard & Metric Coarse & Fine Diameter, Length & Thread...
  • Top Quality Nut, Bolt & Screw Gauge; For Use With Standard or Metric, Coarse & Fine Diameters, Lengths & Thread Pitches
  • Material: Plastic
  • This gauge has 'MarineBoltSupply' printed on the back
  • Package Dimensions: 8.75 L x 3.25 W x 0.25 H inches
Bestseller No. 12
Screw Bolt Nut Thread Measure Gauge Size Checker (Inch Standard & Metric)
  • Inch and Metric & Coarse and Fine Threading
  • Measures fractional bolts from size #4 to 1" up to 7" long
  • Measures metric bolts & screws from size 3mm to 22mm
  • Made of durable 1/4" thick hard plastic
  • 1/4" thick x 8-3/4" Long x 3-3/8 Wide Color: Red
SaleBestseller No. 13
Boltsize-It Gauge, Blue
  • Quickly and easily size bolts, screws, nuts and twist drills
  • Features ruler marked with inches and millimeters
  • Gauge metric hex nuts and washers by holding under metric holes
  • Resists water, alcohol, oil and grease
  • Made of hard plastic
Bestseller No. 14
EAWONGEE Nut and Bolt Thread Checker, Inch & Metric Thread Gauge, Nut and Bolt Size Gauge- 14...
  • [ NO GUESSING ANY MORE] If you are looking for a thread gauge to verify the size of both nuts and bolts at your repair store or at home in a correct,...
  • [EASY OPERATION AND TIME SAVER] Just screw the nut or bolt into the thread checker, it takes you a few seconds to check the size. You do not need to...
  • [ZINC PLATED FOR INCH SIZE] Includes 14 Inch Size part numbers: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14,...
  • [BLACK OXIDE FOR METRIC SIZE] Includes 12 Metric Sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5,...
  • [GET YOUR STUFF WELL-ORGANIZED] This nuts and bolts organizer has 26 male/female gauges which can help you well and fast sort out your assorted...
Bestseller No. 16
Black SAE and Metric Bolt Gauge Check a Thread Fastener Tool
  • Made of durable zinc plated steel in a convenient 22" wide tool.
  • Hi contrast lettering so you can quickly and easily find your thread.
  • All the popular thread sizes including course and fine threads.
SaleBestseller No. 17
Tradespro Nut and Bolt Head Sizer, Gauge 5/16" – 1" and 8mm – 25mm - 837999
  • Gauge SAE: 5/16 in. – 1 in. and Metric: 8mm – 25mm
  • Convenient to carry in a pocket or clipped on a keychain
  • Ensures the right size is easily located
  • Great tool for saving time when removing or installing a fastener
  • Both SAE (Inch) and metric gradations on opposite sides
SaleBestseller No. 18
Bolt and Nut Thread Size Fastener Gauge SAE Inch
  • A must have for anyone who uses fasteners.
  • Save a trip from going to the store to check the size.
  • Heavy duty mold keeps bolts and nuts in place.
Bestseller No. 19
Thread Gauge - Small Inch & Metric Sizes - Nuts, Bolts & Screws Measuring & Identification Tool
  • Inch and Metric Sizing - Small Sizes
  • Used to gauge Inch fastener sizes from #1-64 through #5-40
  • Used to gauge Metric sizes M1.2x0.25 through M3.5x0.35
  • Offers knobs and slots with permanent, easy to read size markings that won't peel off
  • Solid steel thread checker on wire lanyard
Bestseller No. 20
Rivet, Drill Bit, & Screw Thread Combo Fastener Gauge | Metric and SAE | (BCP674)
  • Quickly and accurately determine the screws size
  • Recommends the drill bit or tap size needed for the screw
  • Standard & Metric
  • Constructed of thick hard plastic for lasting durability
  • Smooth easy to clean surface that resists oil and grease

Having trouble finding a great bolt and nut gauge?

This problem is well understood by us because we have gone through the entire bolt and nut gauge research process ourselves, which is why we have put together a comprehensive list of the best bolt and nut gauges available in the market today.

After hours of searching and using all the models on the market, we have found the best bolt and nut gauge for 2022. See our ranking below!

How Do You Buy The Best Bolt And Nut Gauge?

Do you get stressed out thinking about shopping for a great bolt and nut gauge? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching bolt and nut gauge, which is why we have assembled a comprehensive list of the greatest bolt and nut gauge available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for bolt and nut gauge that you consider buying. Your questions might include the following:

  • Is it worth buying an bolt and nut gauge?
  • What benefits are there with buying an bolt and nut gauge?
  • What factors deserve consideration when shopping for an effective bolt and nut gauge?
  • Why is it crucial to invest in any bolt and nut gauge, much less the best one?
  • Which bolt and nut gauge are good in the current market?
  • Where can you find information like this about bolt and nut gauge?

We’re convinced that you likely have far more questions than just these regarding bolt and nut gauge, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for bolt and nut gauge, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible bolt and nut gauge. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an bolt and nut gauge buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available bolt and nut gauge currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of bolt and nut gauge has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an bolt and nut gauge?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your bolt and nut gauge.
  5. Customer Ratings: Number ratings grade bolt and nut gauge objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their bolt and nut gauge.
  7. Product Quality: You don’t always get what you pay for with an bolt and nut gauge, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an bolt and nut gauge is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining bolt and nut gauge information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding bolt and nut gauge is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How do you measure a bolt?

A: Measure the length of a bolt from the underside of the bolt head to the end of the shank, and to measure diameter, measure the widest part of the shank of the bolt. Length and diameter can be measured in millimeters or inches, and they are the two principal dimensions of a bolt.

Q: What size are metric bolts?

A: Metric Bolts. Metric bolts are sized according to diameter, distance or spacing (in millimeters) between threads and length. For example a size of 12×1.75×30 translates to a bolt that is 12mm in diameter, has a distance of 1.75 between the threads and is 30mm long.

Q: What is thread plug gage?

A: Thread plug gages are used to check an internal threaded hole. The most common thread plug classifications are: -2B which is a general purpose class of fit. -3B which is used to check parts with’ ‘closer” tolerance requirements.

Q: What are nut sizes?

A: Thick nut size refers to its nominal thread diameter. Typically, sizes range from about 1/4″ to 1 1/2″. Size is specified in inches, usually fractional rather than decimal. Not all types are available in all sizes. Nut width and thickness vary with the size of the thick nut.