#12 x 3" Drill-X® Hex Washer Hd DR Self-Drill Metal Screw STL Zinc 100 Pcs

• The zinc coating applied serves as a protective barrier against corrosion resistance.
• Made from steel.
• Hex Washer Head - Distinctive feature of these screws is the combination of a hexagonal driven with a hex driver or wrench. Comes with built in washer under the head for increased surface area contact
• Suitable for a wide range of materials including steel, plastics, composite materials, wood, and laminates which makes them versatile for various projects.
• Self-Drilling Metal Screws, designed to pierce through metal without pre-drilled holes.  Twist drill design which incorporates the drill point into the screw.
• Ideal for use in HVAC, metal fabrication, and construction, these screws are also commonly used in automotive and appliance assembly due to their robust design and ease of use.
• Sheet metal screws are typically made from hardened steel for increased strength and durability, capable of penetrating metal and other tough materials.
• Fully Threaded (FT).
• 5/16 Hex Driver