6-20 x 1 1/4 Square Drive Pan Self Drilling Screw Full Thread Zinc 16NCUP Its 5/16-18 threads ensure a

Its 5/16-18 threads ensure a secure hold

corrosion-resistant fastener designed for use in a variety of applications

The 1/4-20 x 2 1/4 Phillips Oval Head Machine Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications

making it ideal for use in outdoor or marine environments

6-20 x 1 1/4 Square Drive Pan Self Drilling Screw Full Thread Zinc 16NCUP Its 5/16-18 threads ensure aThese 6 20 x 1 1 4 inch square drive pan head self drilling screws are made of steel and have a zinc finish. They are designed for use in metal applications and have a full thread. The square drive head provides a secure grip for driving, and the self drilling point eliminates the need for pre drilling. These screws are ideal for a variety of applications, including attaching metal roofing and siding, and installing HVAC equipment.