What are the effects of nuts?
The nut is the nut, screwed with bolts or screws together for fastening, all of which must be used by manufacturing machinery. There are many kinds of nuts, we are common with national standards, German standards, British standards , American standard, daily nut. The nut is divided into several types of carbon steel, high strength, stainless steel and plastic steel according to the material. According to the product attribute, the standard number of the country is divided into ordinary, non-standard, (old) national standard. , New national standard, American, British, German standard. Different sizes, threads are different. General national standards, German standards M represent (for example M8, M16), US, and use scores or # to represent specifications (such as 8 #, 10 #, 1/4, 3 /8).
The nut is a part connected to the mechanical equipment, through the inside thread, the same specification nut and screw can be connected together, such as the nuts of M4-0.7 can only match the M4-0.7 screw (in the nut, M4 The nut is approximately 4 mm, 0.7 refers to the distance between the two threads is 0.7mm); the US product is also, for example, 1 / 4-20 nuts can only match 1/4-20 screw (1/4 The nut is approximately 0.25 inches, 20 refers to each inches, with 20 teeth).