- Dia.：M3 ~ M8
- Length：20mm ~ 150mm
- Coating：Zinc plating & Black n Grey Phosphate
- Material：Carbon Steel 1022
Specialized screw with a bugle head that is designed to attach drywall to wood or metal studs, however it is a versatile construction fastener with many uses. The diameter of drywall screw threads is larger than the grip diameter.