8-18 x 1 3/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc D439B and it is non-serrated for

and it is non-serrated for a smooth finish

It is a great choice for use in marine

Made of durable steel and coated with zinc for corrosion resistance

Its precision manufacturing ensures consistent performance and meets ISO14583 standards for dimensional accuracy and quality

the 5/8-11 x 3/4 Hex Cap Screw Grade 5 Zinc is an excellent choice for a wide range of projects

8-18 x 1 3/8 Phillips Modified Truss head Self Drilling Screw Full Thread Zinc D439B and it is non-serrated forThese 8 18 x 1 3 8" Phillips Modified Truss head Self Drilling Screws are designed for use in a variety of applications, including metal framing, roofing, and siding. They feature a sharp point that easily penetrates metal, and a full thread that provides a strong hold. The modified truss head has a low profile that sits flush with the surface, and the Phillips drive allows for easy installation with a standard screwdriver. These screws are made of