Hexagon socket screw manufacturers, the customer’s choice!
Mr. Chen needs to find a socket screw manufacturer to do a hexagonal socket screw, so in the online search for socket screw manufacturer to find the Shi Shi Tong, asked if the Shi Shi Tong can customize the 10.9 grade socket screw, and sent the drawing and requirements of this hexagonal screw: M6x20, the hexagonal opposite 4mm, the number of initial orders is 30000 pcs, and the subsequent order is 100000 per order.
Shenzhen Shi Shi Tong, as an excellent manufacturer of high strength hexagonal screw in China, quickly evaluated the drawings of customers. Shi Shi Tong suggested that customers should use alloy steel SCM 435. it can reach level 10.9 through heat treatment and hardening, so as to meet the requirements of customers. Because the surface treatment required by this screw customer is electroplating white zinc, Expo will remove hydrogen before screw electroplating, in order to prevent hydrogen embrittlement of screws.
After the first order of 20,000 pcs, customers are very satisfied with the products and decided to include the socket screw manufacturer into a stable supplier.
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