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Portable Thread Size Checker & Hex Nut Screw Gauge Tool

Portable Thread Size Checker & Hex Nut Screw Gauge Tool

Regular price $25.33 USD
Regular price $25.92 USD Sale price $25.33 USD
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Identify Any Thread, Nut, or Screw Size in Seconds

Stop guessing which fastener you need. This Portable Precision Thread Size Checker is the must-have workshop companion for DIYers, mechanics, woodworkers, and engineers. Whether you're sorting a jar of mixed hardware or shopping for replacement bolts, this metal gauge gives you fast, accurate measurements for hex nuts, screws, and threaded rods — all in one compact tool.

Why You'll Love This Thread Gauge

  • Wide Measurement Range: Covers 0–200 mm, handling everything from tiny machine screws to large hex bolts.
  • Durable Metal Construction: Made from solid iron for long-lasting accuracy — no plastic flex or warp.
  • Portable & Compact: Slim geometric design slips into a toolbox, apron pocket, or drawer with ease.
  • No Battery Required: Pure mechanical measurement — always ready, no charging or power source needed.
  • Modern Minimalist Design: Clean, easy-to-read markings for quick identification on the workbench or in the field.
  • Versatile Use: Ideal for woodworking, automotive, plumbing, HVAC, manufacturing, and general DIY projects.

Product Specifications

Material Iron (Metal)
Measurement Range 0–200 mm
Battery Required No
Style Modern Minimalism
Country of Origin Made in Mainland China

Perfect For

  • Woodworkers and cabinet makers matching hardware
  • Mechanics identifying bolt and nut thread pitch
  • Home DIYers sorting mixed fastener collections
  • Engineers and machinists verifying thread specifications
  • Hardware store professionals assisting customers

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For guidance on safe use of hand and measuring tools in the workshop, visit the OSHA Hand and Power Tools Safety page.

Frequently Asked Questions

Q: What types of fasteners can this thread size checker measure?

A: This portable thread gauge is designed to measure hex nuts, bolts, screws, and threaded rods across a range of 0–200 mm, making it suitable for metric and standard fastener identification in woodworking, automotive, and general DIY applications.

Q: Does this thread gauge require any batteries or calibration?

A: No batteries or power source are required. This is a fully mechanical metal gauge, so it's always ready to use straight out of the box with no setup or calibration needed.

Q: Is this tool suitable for professional use?

A: Yes. Its durable iron construction and 0–200 mm measurement range make it reliable for professional mechanics, engineers, machinists, and tradespeople who need to quickly verify thread sizes on the job.

Q: How do I use a thread size checker?

A: Simply align the nut, screw, or bolt against the gauge's slots or teeth to find the matching thread pitch and diameter. Read the corresponding measurement directly from the marked scale for quick, accurate identification.

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