
Product Name | Weld Studs or Bolts |
Material | Carbon Steel or customized |
Grade | 4.8 or customized |
Diameter | M3, M4, M5, M6or customized |
Length | 8, 10, 12, 14, 15, 16, 18, 20, 22, 25, 30, 35 or customized |
Exterior Finish | Copper Plating |



BOLTS | SCREWS | NUTS | WASHERS |
RIVETS | THREADED RODS | PINS | OTHERS |
Established in 2004, we are a professional fastener manufacturer based in Hangzhou, China. With almost 20 years of industry experience, we specialize in producing a wide range of imperial and metric fasteners, including DIN, ANSI, ASME, ISO, JIS, BSW, and more. Our product portfolio also extends to CUSTOM fasteners to meet specific requirements. Over the years, we have successfully exported our products to Europe, North America, and other regions, helping numerous suppliers and manufacturers expand their markets.
1. Bolts: hex head bolts, hex socket bolts, carriage bolts, flange bolts, etc
2. Screws: machine screws, self-drilling screws, set screws, 12.9 shoulder screws, hex head wood screws, self-tapping screws, etc
3. Nuts: hex nuts, k-nuts/k-lock nuts, nylon inserted nuts, stamped metal self-locking nuts, hex flange nuts, cap nuts, rivet nuts, etc
4.Non-standard fasteners: semi-hollow rivets, step rivets, etc