High-Strength bolts and Hardware fasteners

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.

Weld nuts, flange nuts, locking nuts, cap nuts, wheel nuts, slotted nuts and sleeve-type products

DIN933-DIN931 hex bolt DIN912 hexagon socket bolt DIN6921 flange bolt DIN571 wooden screw DIN603 carriage bolt DIN580 eyebolt L-shaped anchor bolt Wedge anchor Drop in anchor T-bolts, customized bolts according to drawings DIN934 hex nut DIN985/DIN982 nylon nuts DIN6923 flange nut DIN6334 long nut DIN982 lifting ring nut Rivet nut series made of carbon steel and stainless steel. DIN975/DIN976 threaded rod DIN125/DIN9021 flat washer DIN127 spring washer Customized square washer Hot forged enlarged bolts can be customized with irregular shapes, 8.8, 10.9, 12.9 grades. (Carbon steel and stainless steel materials)

concrete screws, sleeve anchors, bi-metal screws ,wood screws, timber screws, standard and special bolts, stamping parts, etc.

Precision CNC Thread warm rolling machine(self-developed). Automatic Drill, Point & Broach machine(self-developed). Automatic Fillet Rolling machine(self-developed). Automatic CNC Reaming and Tapping machine. Aerospace Thread Die and Tooling. Hot Forging process and machine. Intelligent Induction Heating unit(self-developed). CNC Automatic Centerless grinding machine.

Eyebolt .GB798，JB/ZQ 4318,QC190/191,CNS 4490/4492，DIN444，PN 82425,GOST 3033, UNI 6058，AN165/170...Non-standard Eyebolts Materialthe:4.6/8.8/10.9/12.9/A2-70/A4-70 Standards:M6-M100.（1/4-2’）

standard parts.

Lubricants,MetalWorking Fluids,Lubricants for Rust Preventives, Lubricating Greases,ETC.