South American customer buy hot sale drilling screw with EPDM in 3x30FT

South American customer find us on Alibaba and want to buy drilling screws. They require low price, good quality, many varieties and small packaging.

For these requirements, our company specializes in producing drilling screw, can control material cost and fast forming production, the heat treatment and galvanized surface are provided by our factory in one-stop service, which can not only save cost but also control quality. The customer orders are finished in advance, and cooperation is very satisfied.

Our company specializes in the production of drilling screws. The material 1022A we use is produced by Shanghai Baosteel, and the cold heading equipment we use is imported equipment, which can be formed at one time to ensure that each quality is 100% qualified. This process is as follows: cold heading, twisting, heat treatment, electroplating. However, considering that the specification of this screw is relatively long and it is easy to bend after heat treatment, we adopted a bundle of 50 screws to prevent bending, and then carry out heat treatment. At the same time, we conduct torque test on each batch of screws to ensure the mechanical performance of screws.

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