Zhejiang Zhongyu Fastener Co., Ltd. specializes in the production of various non-standard stainless steel products, including 304, 201, 316, as well as high-strength screws of grades 10.9, 12.9, and 8.8. Products also cover DIN7991 flat head socket cap screws, ISO 7380 round head cap screws, DIN912 socket head cap screws, and ISO 7380.2 round head cap screws with washers. In addition, we can produce and design various high-strength non-standard special-shaped parts according to customers' requirements.

SelfDrillingScrew、Self-tappingScrew、ChipboardScrew、DrywallScrew

Cold heading dies, special-shaped punches and pins

The company specializes in manufacturing precision screws and special-shaped fasteners. Its core products include self-tapping screws, self-locking screws, machine screws, anti-loosening screws and non-standard special screws. Products are manufactured in accordance with GB, JIS, ANSI, DIN, BS and other international standards, complying with EU environmental protection requirements. They are widely used in electronics, electrical appliances, hardware plastics, bathroom, furniture, machinery, auto parts and other industries, supporting mass production and customized processing as required by customers.

Multi-stations High-speed Cold Heading Machine

High-Speed Precision Threader(processing diameter M3-M30)

Continuous type radiance tempering (carburization)furnace complete production line, continuous type radiance furnace (heat treatment, anneal, hard soldering ,firing), crucible type ball furnace(electric heating, natural gas).

Stainless steel set screws, stainless steel tri-combination screws, alloy steel set screws, hexagonal wrenches