Industrial-Grade 5/16"-12 x 1 Self-Drilling Tek Screws – Zinc-Plated Steel Fasteners with 7/16" Hex Washer Head – Ideal for Metal Fabrication, Construction & Garage Door Applications (10)

Industrial-Grade 5/16"-12 x 1 Self-Drilling Tek Screws – Zinc-Plated Steel Fasteners with 7/16" Hex Washer Head – Ideal for Metal Fabrication, Construction & Garage Door Applications (10)

• Durable Zinc-Plated Steel Construction: Manufactured from high-strength steel and finished with a protective zinc coating, these screws resist rust and corrosion for long-lasting performance in demanding environments.
• Secure 7/16" Hex Washer Head: The hex washer head provides strong driver engagement for confident torque application while helping prevent slippage. The built-in washer flange distributes pressure evenly for a tight, stable hold.
• Self-Drilling Tek Point for Faster Installation: Featuring a sharp self-drilling tip, these screws cut through metal without pre-drilling in most light-gauge applications, reducing install time and improving efficiency.
• Versatile Dimensions for Multiple Applications: With a 5/16"-12 coarse thread and 1" length, these screws are ideal for metal framing, structural supports, HVAC components, and garage door assemblies requiring secure, high-strength fastening.