8-18 x 1/2 Unslotted Hexwasher Serrated Self Drilling Screw Full Thred 18-8 Stainless Steel WSVP which is a type of

which is a type of head that has a cross-shaped recess

This 7/8" split lock washer is made of zinc and has a baked finish

while the ribbed exterior enhances grip and prevents spinning during installation

The 8-32 x 3 1/2 Phillips Pan Machine Screw Fully Threaded Black Zinc is a versatile and durable fastener designed for a wide range of applications

The screw has a hex washer head that provides a secure grip when tightening

8-18 x 1/2 Unslotted Hexwasher Serrated Self Drilling Screw Full Thred 18-8 Stainless Steel WSVP which is a type ofThese 8 18 x 1 2 inch unslotted hex washer serrated self drilling screws are made of 18 8 stainless steel and are fully threaded. They have a hex washer head and a serrated point that helps them to drill through metal without the need for a pilot hole. These screws are ideal for use in a variety of applications, including metal roofing, siding, and framing. They are also corrosion resistant, making them suitable for use in outdoor applications.