1/4-20 x 1 1/2 Proferred Indented Hex Washer Head Unslotted Self-Drilling Screw #5 Point Fully Threaded Zinc Cr+3 Plated - Carton (1500)

For heavy-duty structural fastening these 1/4-20 x 1 1/2 self-drilling screws are the professional's choice sold here in a bulk carton of 1500. Featuring a large diameter and a powerful #5 drill point they are capable of drilling and tapping into heavy gauge steel sections in a single operation saving time and labor. Manufactured from case-hardened steel and finished with a protective Zinc Cr+3 coating these screws offer exceptional strength and corrosion resistance. The unslotted indented hex washer head provides a large bearing area ideal for clamping metal panels securely.