1/4-20 x 2 1/2 Proferred Indented Hex Washer Head Unslotted Self-Drilling Screw #5 Point Fully Threaded Zinc Cr+3 Plated - Carton (1000)

Measuring 1/4-20 x 2 1/2 inches this professional-grade self-drilling screw is forged from case hardened steel for maximum shear strength and performance. Its aggressive #5 drill point is designed to efficiently drill and tap into thick-gauge metal and structural steel sections eliminating separate drilling operations. The screw features an unslotted indented hex washer head for a secure grip with standard driving tools and a wide load distribution area. Coated with a durable Zinc CR+3 finish for enhanced corrosion protection these fasteners are supplied in a bulk box of 1000 pieces perfect for large-scale construction and manufacturing projects.