8-18 x 3/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc 12-24-3 and a Type 17 2/3

and a Type 17 2/3 thread that ensures a strong connection

The 1/4-20 thread size ensures compatibility with standard nuts and washers

this lag screw is perfect for attaching decks

- Corrosion Resistant: Yes

and other mechanical assemblies

8-18 x 3/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc 12-24-3 and a Type 17 2/3These 8 18 x 3 8" Phillips modified truss head self drilling screws are made of steel and have a zinc coating for corrosion resistance. They have a full thread and a sharp point that allows them to drill through metal without the need for a pilot hole. The modified truss head has a low profile and a large bearing surface, making it ideal for applications where a flush fit is desired. These screws are commonly used in metal roofing, siding, and other