12-24 x 2 1/2 Unslotted Hexwasher Self Drilling Screw #5 Point Full Thread Zinc & Bake #12 and the threads on the

and the threads on the bolt engage with the metal or wood

These lock washers are ideal for use in a variety of industrial

They feature a black phosphate finish for corrosion resistance and a coarse thread for superior holding power

Meets or exceeds industry standards for strength and reliability

This 1/4-20 x 3/4 Slotted Indented Hex Washer Head Machine Screw is made of 18-8 stainless steel

12-24 x 2 1/2 Unslotted Hexwasher Self Drilling Screw #5 Point Full Thread Zinc & Bake #12 and the threads on the12 24 x 2 1 2 Unslotted Hexwasher Self Drilling Screw #5 Point Full Thread Zinc & Bake are designed for fastening metal to metal. They have a hex washer head that provides a wide bearing surface and helps to prevent the screw from stripping. The self drilling point eliminates the need for a pilot hole, making them easy to install. The #5 point design provides excellent holding power in metal. The full thread design provides maximum thread engagement