8-18 x 1 Square Drive Pan Self Drilling Screw Full Thread Zinc M3-0.50 while the yellow zinc coating

while the yellow zinc coating offers corrosion resistance

The 4-40 x 3/8 Phillips Round Machine Screw Fully Threaded Black Oxide is a versatile fastener designed for a wide range of applications

it features a Grade 5 rating for exceptional strength and resistance to wear

Its 2" length offers ample penetration depth

making them a reliable choice for projects that require a secure and long-lasting solution

8-18 x 1 Square Drive Pan Self Drilling Screw Full Thread Zinc M3-0.50 while the yellow zinc coatingThese 8 18 x 1 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 tip eliminates the need for pre drilling. These screws are available in a variety of lengths and can be used for a variety of applications, including attaching metal roofing and siding, installing HVAC