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  • 36 Nut and Bolt Thread Checker, Bolt Size Finder with 19 Drill Gauges, 16 Metric and 20 Standard Sizes, Wall-Mountable Bolt Size and Thread Gauge for Quick Identification
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36 Nut and Bolt Thread Checker, Bolt Size Finder with 19 Drill Gauges, 16 Metric and 20 Standard Sizes, Wall-Mountable Bolt Size and Thread Gauge for Quick Identification

4.6 out of 5 stars (81)
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  • Precision Thread Gauge: The bolt size finder is made of CNC-machined anodized aluminum alloy 6601 and superior quality steel bolt. All bolts and threads meet Go & No Go Class 2B ANSI gauging standards, guaranteeing reliable performance, say goodbye to the hassle of guessing nut and bolt sizes and hardware mismatches
  • Upgraded 36+19 Thread Checker Tool: This upgraded nut and bolt thread checker covers metric thread sizes from M3 x 0.5 to M16 x 2.0, and inch thread sizes from #4 - 40 coarse to 3/4 - 16 fine. Also included are 6 metric sizes (4mm - 14mm) and 13 inch sizes (1/16“-1/2”) for measuring drill bit sizes. The thread measuring tool makes it easy to identify 36 common bolts and nuts and 19 drill bits
  • Easy To Read Markings: The thread checker standard and metric is designed with white lettering on a red background and laser-etched inch and centimetre scales on the edges of the bolt sizes and thread gauges for clear and easy reading, making identification of a wide range of thread sizes quick, accurate and easy
  • User-Friendly Design: The bolt and nut identifier gauge is compact and lightweight, measuring 6.5 inches by 6.5 inches and weighing only 14.7 ounces, making it easy to hold in one hand without getting tired. Pre-drilled mounting holes make it easy to hang on the wall, place on the workbench, or put in a toolbox for easy storage and portability. The 15cm / 6-inch scale on both sides makes it easy to measure the length.
  • Essential Tool for Every Tradesperson: Perfect for DIY enthusiasts, mechanics, automotive repair, home repair and other scenarios, this bolt and nut identifier gauge keeps all components organized and within reach. Its practical design makes it an invaluable addition to any toolbox, and it also serves as a thoughtful gift for fathers, husbands, and tradesmen on occasions like birthdays, Father's Day, and Christmas
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Product information

Technical Details

Manufacturer ‎Comfylichi
Part number ‎XZT-36-19
Item Weight ‎431 g
Parcel Dimensions ‎23.01 x 21.41 x 1.9 cm; 431 g
Item model number ‎Threat checker-36-19
Item Package Quantity ‎1
Measurement Accuracy ‎+/-0.5%
Included components ‎Nut and Bolt Thread Checker
Batteries Included? ‎No
Batteries Required? ‎No

Additional Information

ASIN B0DPM434WD
Customer Reviews
4.6 out of 5 stars (81)

4.6 out of 5 stars
鶹 Rank
Date First Available June 6 2025

Feedback

36 Nut and Bolt Thread Checker, Bolt Size Finder with 19 Drill Gauges, 16 Metric and 20 Standard Sizes, Wall-Mountable Bolt Size and Thread Gauge for Quick Identification

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Product details

  • Parcel Dimensions ‏ : ‎ 23.01 x 21.41 x 1.9 cm; 431 g
  • Date First Available ‏ : ‎ June 6 2025
  • Manufacturer ‏ : ‎ Comfylichi
  • ASIN ‏ : ‎ B0DPM434WD
  • Item model number ‏ : ‎ Threat checker-36-19
  • 鶹 Rank: #35,956 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Customer Reviews:
    4.6 out of 5 stars (81)

Product Description

Professional Thread Checker Quickly Identify Confusing Nut & Bolt & Drill Sizes

Nut and Bolt Thread Checker

Quickly Identify the 36 Disordered Nuts & Bolts and 19 Drill Bit Sizes

bolt size finder

Meets Go & No Go Class 2B ANSI standards. Each bolt is made of durable steel and precision machined to ensure compliance. With the Comfylichi Thread Checker, you can work with confidence knowing that your measurements are accurate.

Thread Checker Metric and Standard Includes 36 Nut & Bolt & 19 Drill Bit Sizes

Thread Checker Metric and Standard

The upgraded nut and bolt thread checker covers metric thread sizes from M3 x 0.5 to M16 x 2.0, inch thread sizes from #4 - 40 coarse to 3/4 - 16 fine. Compared to 30 other thread checkers, we have 6 more popular sizes: M16x2.0, 12-24 coarse, 3/4-10 coarse,3/4-16 fine, 5/8-18 fine, 5/8-11 coarse.

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Customer Reviews
4.6 out of 5 stars 81
4.5 out of 5 stars 79
4.8 out of 5 stars 179
4.5 out of 5 stars 173
4.3 out of 5 stars 115
4.5 out of 5 stars 347
4.5 out of 5 stars 347
Gauge Quantity
55 49 62 50 44 28 45
Inch Quantity
20 15 25 27 23 15 24
Metric Quantity
16 15 25 23 21 13 21
Drill Gauges
19 19 12 0 0 0 0
Materials
Aluminum+ Steel Aluminum+ Steel Aluminum+ Steel Aluminum steel steel steel
Type
— Board Board Individual Individual Chain Chain

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