Drop-in Anchor
Drop-in anchors are a female-thread expansion anchor set flush with the concrete surface, giving a permanent internal thread for hangers, pipe supports and hand rails.
Fasteners Manufacturer in China, Bolts Factory, Screws Factory
Types Of Fasteners We Manufacture And Supply
Daosan is a leading bolts, studs and screws manufacturer in China. Since 2006 we have been producing and exporting hex bolts, heavy hex bolts, custom bolts, valve cover studs, high tensile bolts and structural fasteners to customers in more than 49 countries.
Self Tapping Screw with Rings
Self tapping eye screws with rings combine a thread that cuts its own path with a ring head, used for hanging and light duty fixing.
Socket Head Cap Screws
Socket head cap screws are precision screws with an internal hex socket, manufactured to tight tolerances for machine tools and automation equipment.
Double End Studs
Double end studs are threaded at both ends with a plain shank in the middle, commonly used for bolting flanges, pipe joints and heavy equipment.
Stud Welding with Tip Ignition
Copper plated stud welding fasteners with tip ignition are used for capacitor discharge welding onto sheet metal in appliance and automotive production.
Threaded Rods
Threaded rods are fully threaded bars in metre lengths, available with metric or imperial threads and used for anchoring, suspension and general fabrication.
Cage Nuts
Cage nuts clip into square holes and float slightly, making them ideal for rack mounting, server cabinets and panel assemblies.
Flat Head Riveted Nuts
Flat head riveted nuts, or blind rivet nuts, install from one side and create a load bearing thread in sheet metal without access to the rear face.
Hexagon Nuts
Hexagon nuts are matched to hex bolts and available in DIN 934, ISO 4032 and ANSI B18.2.2 standards, in a full range of platings.
Hexagon Nuts with Flange
Flange nuts integrate a washer face that spreads the load and removes the need for a separate washer in automotive and machinery assemblies.
Locking Nut with Nylon
Nylon insert locking nuts resist vibration loosening through a nylon collar that grips the bolt thread, meeting DIN 985 and ISO 10511.
Threaded Inserts
Threaded inserts provide strong reusable threads in plastic and wood, ideal for furniture, electronic enclosures and light assemblies.