Self Drilling Screws Unslotted Indented Hex Washer #3 Point Zinc Plated 5/16 X 1/4 deliver fast, reliable fastening for metal-to-metal assemblies. These screws feature a self drilling design that creates its own hole as it drives, eliminating pre-drilling and speeding up projects.

The unslotted indented hex washer head provides a secure seating and flush finish, while the #3 point (Type 3 drill point) ensures quick penetration through thin metal with reduced bit wandering.

Key specifications

• Diameter: 5/16 in
• Length: 1 1/4 in
• Head style: Indented hex washer (unslotted)
• Point: #3 Type 3 drill point
• Finish: Zinc plated

Designed for modern assemblies in HVAC, electrical enclosures, metal roofing, and general metal-to-metal fastening where a robust, corrosion-resistant connection is required. The zinc plating offers corrosion resistance in typical indoor/outdoor environments, while the self drilling feature minimizes setup time and tool wear.

Why choose these self drilling screws?

• Faster installation with no pre-drilling
• Secure seating with indented hex washer head
• Better alignment and reduced material distortion thanks to Type 3 point
• Reliable corrosion resistance with zinc plating

Enhance your toolkit with these dependable screws. Order now for quick-assembly projects and lasting performance.

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State ofCalifornia to cause cancer and birth defects or other reproductive harm. For more information go tohttps://www.P65Warnings.ca.gov.