12-14 x 3 Unslot Hexwasher w/Bonded NEO EPDM Washer Self Drill Screw Full Thread Zinc Bake 16NCUP188 and a 3 1/2" length

and a 3 1/2" length for a secure hold

It is fully threaded and has a Phillips pan head

Introducing our premium 10 x 5 Six-Lobe (Torx) Flat Nibs Deck Screws

This provides a strong and secure hold

12-14 x 3 Unslot Hexwasher w/Bonded NEO EPDM Washer Self Drill Screw Full Thread Zinc Bake 16NCUP188 and a 3 1/2" lengthThese 12 14 x 3" hex washer head self drilling screws are designed for use in metal applications. They feature a bonded neoprene EPDM washer that provides a weather resistant seal and helps to prevent leaks. The screws are full thread, providing maximum holding power, and have a zinc bake finish for corrosion resistance. The hex washer head allows for easy installation with a wrench or socket.