Our bolt size and thread gauge covers a wide range, encompassing 15 metric thread sizes from m3 x 0.7 to m14 x 2.0, as well as 15 standard threads, spanning from 4-40 fine to 1/2 -20 fine. This thread checker should become a must-have tool for your garage, workshop or home storage roo
When faced with a bunch of different sizes of bits that are hard to distinguish, our upgraded 19-in-1 Drill Gauge Set is the ideal choice. It includes 6 metric (4mm, 6mm, 8mm, 10mm, 12mm, 14mm) and 13 imperial (1/16“ to 1/2”) drill gauges to ensure you find the size you need quickly and accurately.
Our bolt identifier board are CNC machined from anodized 6601 Aluminum, and the bolts are made from high quality SUS 304 stainless steel, machined with extreme precision to ensuring each bolt and thread complies with the Go & No Go Class 2B ANSI Standard gauge
