GRK Fasteners #10 x 3-1/8 in. R4 Self-Countersinking Screw (350-Pack) are suitable for use in wood. And also particle board, plastic, cement fiberboard and sheet metal. The Screw are countersinking and fasten flush with the surface.
- For wood, particle-board, cement fiberboard, plastic and sheet metal
- Self-tapping screw require no pre-drilling
- Countersinking screw fastens flush with the surface
- Includes 350 screw