【Efficient Classification of Bolts and Nuts】Taochun Bolt and Nut Thread Checker allows you to quickly sort out the pile of scattered screws and bolts, and it only takes 2-3 seconds to confirm the type of bolt or nut. No more frustration when facing the pile of scattered nuts and bolts. This will save you a lot of time and extra costs.
【Excellent Identification】With standard and metric sizes, extremely high accuracy, it meets the pass and fail 2B grade ANSI standards, standard bolts and nuts meet assemblies with 2A and 2B grade threads, consisting of 2A screws and 2B screw holes. Identify hardware from #6 to 3/4" and 4mm to 16mm.
【Durability】The bolt and nut identifier is made of CNC machined 6061 aluminum alloy and 12.9 grade alloy steel threads, and the anodized surface makes it stable and durable. The scale lines are laser printed for easy reading, with a red background and white text design.
【Drill Gauge】This nut and bolt thread checker has 8 holes of different sizes, which are 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 1/4 inch, 1/2 inch screw sizes, and recommends the drill or tap size required for the screws.
【Easy to Use】The bolt identification board is an accurate and easy-to-use nut and bolt thread verifier. The product is compact and can be hung or laid flat. There are holes on the top for easy wall mounting, and four plastic brackets on the top and bottom for easy placement on the workbench, allowing you to measure thread specifications anytime, anywhere.

Product Specifications
Material: Aluminum
Color: Red
Size: 20.5*20.5*5.3cm
Applicable: Screw and nut adapter

Packing Specifications
1PC * Screw and nut adapter