Which is the best thread checker?

Finding your suitable thread checker is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best thread checker including detail information and customer reviews. Let’s find out which is your favorite one.

Best thread checker

Product Features Editor's score Go to site
Nut & Bolt Thread Checker (Inch & Metric) Nut & Bolt Thread Checker (Inch & Metric)
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Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set) Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set)
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Nut & Bolt Thread Checker (Wall Mounted) Nut & Bolt Thread Checker (Wall Mounted)
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Horizontal Bolt and Nut Gauge / Thread Checker (Inch & Metric) Horizontal Bolt and Nut Gauge / Thread Checker (Inch & Metric)
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Innovative Components AH-COM Thread Detective / Thread Identifier Inch. and Metric Combo Set with Ruler Attached Innovative Components AH-COM Thread Detective / Thread Identifier Inch. and Metric Combo Set with Ruler Attached
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1 TU58 Thread Measuring Gauge, Vertical Bolt and Nut Gauge / Thread Checker (Inch & Metric) 1 TU58 Thread Measuring Gauge, Vertical Bolt and Nut Gauge / Thread Checker (Inch & Metric)
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Screw Chekr SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA Screw Chekr SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA
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Stainlesstown Nut Bolt Thread Gauge (Blue) Stainlesstown Nut Bolt Thread Gauge (Blue)
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Dorman 415-103 Thread Checker on a String Dorman 415-103 Thread Checker on a String
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SAE and METRIC Bolt Gauges Check a Thread Nut Fastener Size SAE and METRIC Bolt Gauges Check a Thread Nut Fastener Size
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1. Nut & Bolt Thread Checker (Inch & Metric)

Feature

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

Description

The Inch & Metric Thread Checker is an accurate and easy-to-use thread identifier for both nuts and bolts. Each individual gauge features a male threaded stud on one end and a female threaded hole on the other. The Thread Checker is especially well suited for distinguishing between similar inch and metric threads. Conveniently assembled onto a wire loop, it's the perfect portable solution! Hang it on your shop wall or store it in your tool box for safe keeping. SIZE SPECIFICATIONS: INCH (14): 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, 7/16-20, 1/2-13, 1/2-20 METRIC (12): M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75

2. Nut and Bolt Thread Checker (Complete SAE/Inch and Metric Set)

Feature

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.

Description

Metric: The individual gauges rotate freely on the wire cable for fast verification. Includes: (21) Sizes: 3mm x 0.5, 4mm x 0.1, 5mm x 0.8, 6mm x 1.0, 7mm x 1.0, 8mm x 1.0, 8mm x 1.25, 10mm x 1.0, 10mm x 1.25, 10mm x 1.5, 12mm x 1.25, 12mm x 1.5, 12mm x 1.75, 14mm x 1.5, 14mm x 2.0, 16mm x 1.5, 16mm x 2.0, 20mm x 2.0, 20mm x 2.5, 24mm x 2.0 & 24mm x 3.0.
SAE/Inch: The individual gauges rotate freely on the wire cable for fast verification. Includes : 6-32, 6-40, 8-32, 10-24, 10-32, ?-20, ?-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, ?-13, ?-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, ?-10, ?-16, 1-8, 1-12 Made in USA!

3. Nut & Bolt Thread Checker (Wall Mounted)

Feature

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)
Mounted on heavy-duty, 1/2" Sintra (PVC foam board)
Overall size: 3"W x 37"L

Description

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. Thread sizes are permanently stamped onto each gauge. Inch gauges are clear Zinc plated, metric gauges are Black oxide. Wire cable with loop for convenient hanging.

4. Horizontal Bolt and Nut Gauge / Thread Checker (Inch & Metric)

Description

The Hillman Horizontal Bolt & Nut Gauge will help you quickly identify the most common size nuts & bolts in one compact and easy-to-use check center. Now you can know with certainty what size bolt or nut you have in your hand. No more guessing! Also known as a Thread Verifier or Thread Identifier, the Bolt & Nut Gauge is a must have for any shop, garage, or manufacturing facility. The Gauge has 26 female threaded holes (12 metric and 14 standard) for checking bolts or screws, and 26 male threaded studs (12 metric and 14 standard) to identify nut sizes. The bottom edge includes both a metric and standard (fractional) scale for checking diameter & length. It is made from 19" long by 3-1/2" wide by 1/4" thick annodized aluminum plate. It includes a pair of angle brackets and is pre-drilled for easy installation on a work bench or wall.

5. Innovative Components AH-COM Thread Detective / Thread Identifier Inch. and Metric Combo Set with Ruler Attached

Feature

Set includes both Inch and Metric identifiers. Thread sizes are permanently laser etched on each gauge.
All sizes are steel with a clear zinc finish and each gauge identifies both bolts and nuts.
Takes the guess work out of thread size and pitch on nuts, bolts , screws, threaded holes and many other threaded items.
Eliminates costly and time consuming repairs.
Great for identifying and sorting nuts and bolts in fastener cribs, fastener bins at home or at your facility.

Description

Thread Detective/Thread Identifier Inch and Metric Combo set. ROHS Steel identifiers strung on a wire lanyard. Shatterproof, color coded polypropylene gauge dividers allow recognition between inch and metric strands at a glance. Set includes Inch Sizes #6 thru 1/2 in both coarse and fine threads and Metric Sizes M4- M12 in the most common pitches. Comes complete with ruler attached.

6. 1 TU58 Thread Measuring Gauge, Vertical Bolt and Nut Gauge / Thread Checker (Inch & Metric)

7. Screw Chekr SAE/ Inch Screw Thread Size Gauge (No. 1 to 5/16) 1/8 Inch Heavy Gauge Steel Screw Checker, Made in USA

Feature

Say goodbye to frustration with this easy to use, pocket sized tool. Do it yourselfers, handymen, and mechanics can save time and money by accurately identifying different types of screws the first time. This tool gives all the information needed to properly identify machine screws, wood screws, sheet metal screws, bolts, and even cotter pins and rivets.
Identifies diameter, size, pitch, and length, with a tap drill chart for sizes ranging from No. 1 through 5/16 inch in NC, NF, and NS pitches. This tool can also be used to straighten bent screws and clean dirty or rusty threads.
Made from High Quality 1/8 inch Heavy Gauge Satin Chrome Plated Steel
Comes with a Protective Plastic Carrying Case
Proudly Made in the U.S.A.

Description

The SAE/ Inch Screw Checker is a precision threaded tool for complete instant identification of both coarse and fine thread metric screws. This quality tool made of heavy gauge steel is satin chrome plated, expertly machined and American made. All do it yourselfers, handymen, mechanics and maintenance people have too often experienced the frustration and loss of valuable time and money by mistakenly identifying a screw. With this easy to use, pocket sized tool you can kiss those problems goodbye. No more headaches, cursing, and multiple trips to the hardware store. Unlike their plastic counterparts, these screw checkers, made of heavy gauge steel, will last for a very long time without the worry of wearing out the threads after a few uses.

8. Stainlesstown Nut Bolt Thread Gauge (Blue)

Feature

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

Description

This is a must have tool for anyone who uses bolts, screws or nuts. It easily measures diameter, thread pitch and length of most nuts, bolts and screws. Handy tool box item or gift for the handyman.

9. Dorman 415-103 Thread Checker on a String

Feature

Packaged 1 per Box.

Description

THREAD CHKRS

10. SAE and METRIC Bolt Gauges Check a Thread Nut Fastener Size

Feature

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.

Description

Standard SAE Sizes Included: 6-32, 8-32, 10-24, 10-32, 12-24, 1/4-20 Coarse, 1/4-28 Fine, 5/16-18 Coarse, 5/16-24 Fine, 3/8-16 Coarse, 3/8-24 Fine, 7/16-14 Coarse, 7/16-20 Fine, 1/2-13 Coarse, 1/2-20 Fine, 9/16-12 Coarse, 9/16-18 Fine, 5/8-11 Coarse, 5/8-18 Fine, 3/4-10 Coarse, 3/4-16 Fine. Metric Sizes Included: M4-.7 Coarse, M5-.8 Coarse, M6-1.0 Coarse, M7-1.0 Coarse, M8-1.25 Coarse, M8-1.0 Fine, M10-1.5 Coarse, M10-1.25 Fine, M10-1.0 Extra Fine, M12-1.75 Coarse, M12-1.5 Fine, M12-1.25 Extra Fine, M14-2.0 Coarse, M14-1.5 Fine and M16-2.0 Coarse

Conclusion

All above are our suggestions for thread checker. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using thread checker with us by comment in this post. Thank you!

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