Save a trip to the hardware store and quickly check thread sizes. Made of a durable plastic resin in a convenient 24" wide tool. All the popular thread sizes including course and fine threads. Hi contrast lettering so you can quickly and easily find your thread.

Determine threads per inch and thread pitch on nuts, bolts, and other fasteners. Identifiers in a variety of sizes are riveted together in a fan design— pull one out and hold it against your threads to see if it fits.

When you need to measure the diameter of nuts and bolts, use the 12. in. Plastic Bolt Gauge. It provides both metric and customary measurements for your convenience. Perfect for measuring overall and useable length for fasteners and more.

Comfylichi Thread Checker, Nut and Bolt Thread Checker, Bolt Size and Thread Gauge, 44 Individual Bolt and Nut Identifier Gauge (23 Standard & 21 Metric) Especially for Size Check in Tight Spaces

Hillman Bolt, Nut, and Screw Gauges are perfect to have handy in every tool box or garage, bringing an industrial-quality measurement tool to your workshop. This gauge tool measures diameter, length, and hex size across myriad fastener types, ensuring you have the right part for the job every time.

Mar 27, 2025 · Bolt-size gauges offer a practical alternative to calipers. These metal or plastic cards contain different-sized holes labeled with their exact dimensions. Simply insert your bolt through the holes until you find the smallest one it fits through. The gauge separates metric from standard measurements for faster identification.

Apr 17, 2024 · Screw and bolt size gauge, nice tool for sorting hardware sizes, help you to identify random nuts and bolts, it comes handy when you need to match threads and size for replacement. Solid Construction and Clear Text.

Determine threads per inch and thread pitch on nuts, bolts, and other fasteners. Identifiers in a variety of sizes are riveted together in a fan design— pull one out and hold it against your threads to see if it fits. Once you’ve found a match, fold identifiers in to …

We have the best Bolt Length Gauge for the right price. Buy online for free next day delivery or same day pickup at a store near you.

Measure nuts and bolts accurately with the BoltSizeIt Measurement Gauge in both inch and metric units. Shop now for reliable and precise results.