1/4 x 3 3/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated (500)

1/4 x 3 3/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated .

• Meets ASTM A510 for carbon steel manufacturing
• Meets ASTM B117 for salt spray corrosion - 500 hours
• Notched threads for cutting into concrete, brick and cement block
• Hi-Low thread pattern creates higher pullout tolerances
• Diamond point design cuts and clears debris during installation for better thread engagement
• Ceramic coating provides protection from corrosion
• ACQ compatible