8-18 x 2 1/2 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NYB These 12-24 x 1 1/2

These 12-24 x 1 1/2 Phillips Flat Undercut Machine Screws are fully threaded and made of zinc-plated steel

The slotted head enables easy tightening and loosening with a standard screwdriver

which helps to prevent the screw from marring the surface of the material it is being driven into

this bolt is ideal for heavy-duty projects requiring strength and reliability

which allows for easy installation with a wrench or socket

8-18 x 2 1/2 Square Drive Modified Truss Head Self Drilling Screw Full Thread Zinc NYB These 12-24 x 1 1/2These 8 18 x 2 1 2" square drive modified truss head self drilling screws are full thread and zinc plated. They are designed for use in metal applications and have a sharp point that allows them to drill through metal without the need for a pilot hole. The square drive head prevents the bit from slipping, and the full thread provides a strong hold. These screws are zinc plated for corrosion resistance and are ideal for both indoor and outdoor use.