8-18 x 1 5/8 6 Lobe Modified Truss head Self Drilling Screw Full Thread Zinc WIB it features a black oxide

it features a black oxide and oil finish for enhanced corrosion resistance

These washers are ideal for use in high-stress applications

The 1/4-14 x 2 Unslot Indent HWH Self Drill Scr Full Thread Zinc 1000 hours Salt Spray is a type of screw that is designed for use in a variety of applications

The Phillips drive allows for easy installation using a screwdriver

8-18 x 1 5/8 6 Lobe Modified Truss head Self Drilling Screw Full Thread Zinc WIB it features a black oxideThese 8 18 x 1 5 8 6 Lobe Modified Truss head Self Drilling Screw Full Thread Zinc are designed for use in metal applications. They have a 6 lobe drive which provides increased torque and reduces cam out. The modified truss head has a low profile and is ideal for applications where a flush finish is desired. The self drilling point eliminates the need for pre drilling, saving time and effort. The full thread design provides maximum holding power.