10-24 x 1/2 Unslot Ind Hexwasher Serrated Self Drilling Screw Full Thread Zinc Bake D6923188 They feature a Phillips drive

They feature a Phillips drive for easy installation

which means that it does not have any teeth on its surface

durable bolt is required

Keep your boat dock sparkling clean with our heavy-duty 1' Dock Washer Galvanized

This 1/4-20 x 1 1/2 Phillips oval head machine screw is fully threaded and has a black oxide finish

10-24 x 1/2 Unslot Ind Hexwasher Serrated Self Drilling Screw Full Thread Zinc Bake D6923188 They feature a Phillips drive10 24 x 1 2" Unslotted Hex Washer Serrated Self Drilling Screw, Full Thread, Zinc Plated This screw is designed for use in metal applications. It has a hex washer head with a serrated flange that digs into the metal, creating a secure hold. The self drilling tip eliminates the need for pre drilling, making installation quick and easy. The full thread design provides maximum holding power. The zinc plating provides corrosion resistance.