Stainless Steel Thread Gauge | Screw Pitch & Diameter Caliper

Stainless Steel Thread Gauge — Precision Screw Pitch & Diameter Measurement

Get accurate, repeatable measurements every time with this professional-grade Thread Checker Screw Measurement Ruler. Whether you're identifying bolt threads in a home workshop, craft project, or industrial setting, this compact stainless steel gauge delivers the clarity and confidence you need to match fasteners quickly and correctly.

Key Features

• 304 Stainless Steel Construction: Built to withstand demanding environments, this thread gauge offers long-term wear resistance and dimensional stability — no rust, no flex, no compromise.
• Double-Measurement Integration: Combines two measurement methods in one compact tool, covering thread pitch identification and outer diameter sizing for maximum versatility across fastener types.
• High-Precision Etched Markings: Dual-scale visibility with high-precision laser etching ensures numerical clarity and minimizes reading errors, giving you consistent, reliable results.
• Anti-Slip Ergonomic Design: The ergonomic form factor and anti-slip surface provide secure, comfortable handling during extended use — even in busy workshop conditions.
• Wide Fastener Compatibility: Measures screws, bolts, nuts, and bits across a broad range of sizes (0–80 mm range), making it ideal for DIY home repairs, electrical work, crafts, and industrial maintenance.
• Portable & Space-Saving: At just ~35g and roughly 10 × 6 cm (3.94 × 2.36 in), this gauge slips easily into a toolbox, apron pocket, or parts drawer.

Specifications

What's in the Box

• 1 × Thread Gauge / Screw Measurement Ruler

Perfect For

• DIY home improvement and repair projects
• Electrical and mechanical assembly work
• Crafts, hobby builds, and model making
• Industrial maintenance and quality checks
• Hardware stores and fastener sourcing

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For more information on fastener standards and measurement best practices, visit the NIST Guide to Measurement Standards.

Note: Due to different screen settings, actual color may vary slightly from images. Please allow a 1–2 cm tolerance due to manual measurement.

Frequently Asked Questions

Q: What types of fasteners can this thread gauge measure?

A: This stainless steel thread gauge is compatible with a wide range of fasteners including screws, bolts, nuts, and drill bits. It covers a measurement range of 0–80 mm, making it suitable for standard metric and a variety of sizes used in home, craft, and industrial applications.

Q: Does this thread gauge require batteries or any power source?

A: No — this thread gauge is entirely mechanical and requires no batteries or power source whatsoever. Simply place the fastener against the gauge markings to read the thread pitch and diameter instantly.

Q: How accurate are the measurements on this screw pitch caliper?

A: The gauge features high-precision laser-etched dual-scale markings designed to minimize reading errors. The double-measurement integration system allows you to cross-verify readings for greater confidence and consistency across repeated use.

Q: Is this thread gauge suitable for both professional and home use?

A: Absolutely. Its compact, portable design (roughly 10 × 6 cm and just 35 g) and durable 304 stainless steel build make it equally at home in a professional workshop, on a job site, or in a home toolbox. It's a practical, space-saving addition to any fastener toolkit.