Round Head "One Way" Screws

Sheet metal screws have sharp threads that cut into a material such as sheet metal, plastic or wood. They are sometimes notched at the tip to aid in chip removal during thread cutting. These screws are use for security purposes and where vandalism and/or theft is likely. 18-8 stainless steel is very corrosion resistant, strong at high temps and have a minimum tensile strength similar to a Grade 2 bolt. Hi-Line carries 18-8 stainless steel Round Head "One Way" Slotted Screws, Tamper Resistent in various sizes.