GRK 772691001054 R4 Bulk Number-9 by 3-1/8-Inch Screw

Climatek coating Self-tapping screw with countersinking head No pre-drilling use GRK bit T-25 No stripped heads Can be used in wood, particle-board, cement fiberboard, plastic and sheet metal, Weight: 22.0 pounds, Manufacturer: Anchor Fasteners