Detailed specifications of nuts
1. Nuts are nuts , which are screwed together with bolts or screws to play a fastening role. All production machinery must use an original . There are a wide variety of nuts , we have the common national standard , British standard , American standard Japanese subject nut nut according to different materials, divided into several types of carbon steel, high strength, stainless steel, steel, etc. is divided into ordinary, non-standard, (old) national standard, the new national standard based on different product attributes corresponding to the standard number, American system, English system, German standard. Different sizes, different thread into varying specifications GB general, represented by the German standard M (e.g. M8, M16), American, British specification indicates (e.g., # 8, # 10, 1/4, or a fraction # 3 /8 )
2, the nut part is tightly connected to the mechanical equipment, by a screw inside of the same size nuts and screws, to connect together, for example, only the screw nut M4-0.7 M4-0.7 mix (in the nut, M4 The inner diameter of the nut is approximately 4mm , and 0.7 is the distance between the two thread teeth 0.7mm ); the same applies to the US product, for example, 1/4-20 nuts can only be used with 1/4-20 screws ( 1/4 The inner diameter of the finger nut is approximately 0.25 inches, and 20 fingers each have 20 teeth ).
(Source: Pull rivet nut , )
