Description
Excellent Identifying :It has standard size and metric sizes with ultimate precision which Comply to go & no go class 2B ANSI standard, the standard bolt and nut complies to an assembly having class 2A and 2B threads, consists of 2A screws and 2B screw holes.Identifying Hardware from #6 to 3/4" & 4mm to 16mm..Drill Gauges: This nut and bolt thread checker has 8 different size holes at 4mm, 6mm, 8mm, 10mm,12mm, 14mm, 1/4inch,1/2inch, which help you quickly and accurately determine the screws size, recommends the drill bit or tap size needed for the screw..High Quality: The bolt and nut Identifier gauge is crafted from CNC-machined 6061 aluminum alloy and 12.9 grade alloy steel thread, the anodized surface makes it stable and durable.The scales lines are laser-printed, easy to read markings with bright white on black design..Length Measurement: This screw size and thread gauge is equip with 4-1/4inch and 11cm centimeter rulers on the edge, it helps to quickly Identify the length of bolt, screw, nut and washer..Easy to use: The bolt identifier board is an accurate and easy-to-use thread verifier for both nuts and bolts，the outer dimensions is 20.8in*4.3in, It includes four rubber foot cup on the top and bottom, two pre-drilled hole on the top provide you for easy place on work bench or installation on the wall.
