Sufficient Size: Our nut and bolt thread checker can check 28 common bolts and nuts sizes. Including M4 x 0.7 to M14 x 2.0 metric threads and #6 - 32 coarse threads to 1/2 - 20 fine threads.
Thread Pitch Gauge with Locking Device: Also have thread pitch gauges in a variety of sizes, covering metric, imperial and US. Metric: 0.25-6.0; Imperial: 4G-62G; US: 8, 10, 11, 14, 19, 28.
Clear Scale is Easy to Read: The Thread Checker and Thread pitch gauge offer very tight accuracy, and the industrial-grade manufacturing surface markings are laser etched, enough so that you can still clearly identify the scale after many years.
Hangable Design: The bolt size and thread gauge has pre-drilled screw holes, so you can easily hang it on the wall or place it on the workbench so that you can find it when you need it.
Industrial Essentials: Whether you're a carpenter, repair technician, workshop specialist, or any other industrial professional, this screw gauge and thread pitch gauge is an essential tool for your toolkit. It helps prevent the hassle of confusion or missing parts. It's definitely a smart investment!