Knowledge

Fasteners silver plated Silver-plated fasteners improve the performance of the bolt or nut.  Many manufacturers in industries such as aerospace, au

A fastener consisting of a head and a screw (a cylinder with external threads) in two parts, to be fitted with a nut, for fastening two parts with a t

In many cases, in order to improve the surface gloss of hardware fasteners, surface treatment - electroplating of nickel is usually used. During this

With social requirements, environmental protection projects are increasingly on the agenda for process treatment. Therefore, many manufacturers are pa

What is annealing of steel? Annealing of steel: Annealing is a heat treatment process in which the steel is heated to a temperature above or below the

During the quenching process, when the huge stress generated by quenching is greater than the strength of the material itself and exceeds the plastic

Fuse structure The rated current of the melt is not equal to the rated current of the fuse. The rated current of the melt is selected according to the

Double-headed screws are generally used in mining machinery, Bridges, automobiles, motorcycles, boiler steel structures, hanging towers, long-span ste

Self-tapping screws are first reflected in their strong hardness and reliable corrosion resistance. In order to ensure the corresponding torque and th

The ring screw is forged as a whole, and normalizes and removes the oxide skin; Forgings without overburning, crack defects; After the hardness test,

Bolts can come in a variety of different sizes and shapes, but the basic production process usually remains the same. The cold-forged steel wire is fi

Mechanical properties: screw on the universal material test instrument method and screw itself is too thick cut off the test sheet and then do the exp