1/4-20 x 1 1/2 Unslot Ind Hexwasher Serrated Self Drilling Screw Full Thread Zinc Bake 10-24 The square neck prevents the

The square neck prevents the bolt from turning when it is tightened

These 5/16-18 x 1 1/2 inch Grade 5 fully threaded zinc-plated ribbed neck carriage bolts are designed for use in a variety of applications

The bugle head design provides a countersunk finish that is flush with the drywall surface

8 grade rating ensures reliability under heavy loads

making them suitable for demanding applications where secure and reliable connections are crucial

1/4-20 x 1 1/2 Unslot Ind Hexwasher Serrated Self Drilling Screw Full Thread Zinc Bake 10-24 The square neck prevents theThese 1 4 20 x 1 1 2 inch Unslotted Hex Washer Serrated Self Drilling Screws are full threaded and made of zinc plated steel. They have a hex washer head and a serrated point that helps them drill through metal without the need for a pilot hole. These screws are designed for use in a variety of applications, including metal roofing, siding, and framing. They are also ideal for use in areas where corrosion resistance is important.