Daggerz 1/4" x 3-1/4" Self-Drilling Plywood-to-Metal Screw with Wings, Phillips Flat Head - Dagger-Guard Coating, Qty. 900 Blue Concrete Screws self-undercutting threads eliminate the need

self-undercutting threads eliminate the need for inserts or special tools

Compatible with Quik Drive PROPP150G2 tool for consistent drive depth

Flexible design: Roofjack size accommodates pipes from 4-1/4" - 7-3/4"

or brick for a secure hold

Daggerz 1/4" x 3-1/4" Self-Drilling Plywood-to-Metal Screw with Wings, Phillips Flat Head - Dagger-Guard Coating, Qty. 900 Blue Concrete Screws self-undercutting threads eliminate the needWhen your job calls for a reliable, fast, flush finish wood to metal fastening solution, the Daggerz Self Drilling Metal Screw with Wings and Phillips Flat Head in Dagger Guard coating answers the call. Its winged design bores a clearance hole through wood or other panel material, then breaks off as the self drilling point penetrates steel, allowing a tight wood to steel connection. The Phillips flat head ensures the screw seats flush, and the Dagger