Nut & Bolt Thread Checker for SAE & Metric Hardware

Are you having a hard time figuring out the size of a certain bolt or nut on your car? This tool will make it quick and easy for you to know the correct size before ordering replacement hardware.

This thread checker tool 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 SAE and Metric threads. Conveniently assembled onto a wire loop, it's the perfect portable solution!

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 SAE Sizes:

  • Includes 14 SAE 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, 7/16-20, 1/2-13, 1/2-20

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, M12x1.25, M12x1.5, M12x1.75

Customer Reviews

Based on 1 review
100%
(1)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
A
Alfred V.
Great tool, was able to get the bolt size I need

Great tool to use when you want to change plastic hangers to titanium

JD Customs USA

JD Customs USA specializes in bespoke titanium pieces with virtually unlimited customization options. Known for vibrant colors and unmatched craftsmanship, we bring your creative visions to life. From precision to personalization, our commitment to quality ensures every piece exceeds expectations. At JD Customs USA, we don’t just create products – we deliver perfection.

View More JD Customs USA Products