8-18 x 1 1/4 Phillips Round Washer Head Self Drilling Screw Full Thread Zinc M4-0.7 This lock nut is ideal

This lock nut is ideal for a variety of industrial

It has a Phillips pan head

and other applications where a strong and durable bolt is needed

This design reduces stress concentration and prevents damage to mating surfaces

8-18 x 1 1/4 Phillips Round Washer Head Self Drilling Screw Full Thread Zinc M4-0.7 This lock nut is idealThese 8 18 x 1 1 4" Phillips round washer head self drilling screws are made of steel and have a zinc finish. They have a full thread and are designed for use in metal applications. The self drilling tip eliminates the need for pre drilling, making them easy to install. The washer head provides a large bearing surface, which helps to distribute the load and prevent the screw from pulling through the material. These screws are commonly used in roofing,