Daggerz 1/4"-20 x 3" Self-Drilling Metal Screw W/Wings, Phillips Flat Head - Zinc, Qty. 1,000 Masonry Screws Optimized Thread Geometry: Increases holding
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Daggerz 1 4" 20 x 3" Self Drilling Metal Screw W Wings, Phillips Flat Head Zinc, Qty. 1,000 Masonry Screws Optimized Thread Geometry: Increases holding Optimized Thread Geometry: Increases holding power and reduces driving torque and prefabrication environments