China Flat Washer Factory

Aoke is China manufacturer & supplier who mainly produces Flat Washer with many years of experience. Our factory Jiaxing Aoke Hardware Technology Co., Ltd. is established in 1986 and located in the home town of fasteners Haiyan county. Flat washer is one of the most widely used washer. It is produced by stamping process. Aoke has obtained the ISO 9001 certificate, has many full-automatic stamping machines, the flat washers are our advantage products. factory price, great discount and free samples for you. We can provide free samples of flat washer even for new customers.

The purpose of the flat washer is used to reduce friction, prevent leakage, isolate, and prevent release or dispersion of pressure. By bolt and screw material and process restrictions, their support surface is not big, in order to reduce pressure bearing surface, protect the surface of the connecting piece, so the use of washers. The standards of flat washers are DIN125, DIN9021, DIN1441 and American system washers SAE, USS, ASTM F 436. Flat washer are graded according to their hardness. The hardness of low carbon steel(Q195, Q235) is 100HV-140HV, of stainless steel 304 is 200HV. If you want hardened washer, reach 300HV, the washer is made of 45K.

What is the advantages of Aoke? First, we have many types of flat washers. Not only carbon steel, stainless steel 304, 316 A2 A4 flat washer, but also have 310S, 316Ti, 904L and duplex stainless steel 2205 2207 flat washer. Second, we have much stock flat washer, especially in SS304, SS316 and 2205. Third, We insist on the principle of "customer first, quality first". The raw materials of flat washer are from the big steel with MTC for each batch. Strictly control every step of production, and make records. When the production finished, we will issue 3.1 certificate.