Description: 1. Model no.: a193 b8 2. Type: round head 3. Application: building 4. Connection: common bolt 5. Trademark: sd 6. Origin: ningbo, china 7. Hs code: 7318159090 Features: 1. Head style: round 2. Raw material: carbon steel 3. Finish: hot galvanizing Specifications: 1. Diameter: 1/2"-3" 2. Standard: ansi 3. Length: up to 12" Competitive advantages 1. Top quality control 2. Competitive price 3. Various of design 4. Oem accepted 5. Customer's design and logo are welcome