1/4-20 x 1 1/2 Unslotted Hexwasher Self Drilling Screw Full Thread Machine Screw Zinc & Bake CNSW It has a round head

It has a round head with a square neck and two square shoulders

The screw is made of steel and has a zinc and bake finish

this bolt is easy to install and remove using a standard wrench or socket

* Grade 8 steel

The 5/16-18 x 1 1/2 Phillips Pan Machine Screw is a fully threaded screw made of 18-8 stainless steel

1/4-20 x 1 1/2 Unslotted Hexwasher Self Drilling Screw Full Thread Machine Screw Zinc & Bake CNSW It has a round headThese 1 4 20 x 1 1 2 Unslotted Hexwasher Self Drilling Screws are full thread machine screws made of zinc and bake. They feature a hex washer head with a self drilling tip, eliminating the need for pre drilling. These screws are designed for use in a variety of applications, including metal, plastic, and wood. They are strong, durable, and corrosion resistant, making them a reliable choice for both indoor and outdoor projects.