Built to stand up to the harshest environments, the Simpson Strong-Tie T12200HDUM Self-Drilling Hex Washer Head Screws in 316 stainless steel offer unmatched corrosion resistance for demanding applications. These screws are engineered for fastening into 16- to 12-gauge steel, eliminating the need for pre-drilling and streamlining your installation. Whether you're working in coastal construction, wastewater facilities, or any high-exposure environment, these screws deliver strength and reliability where it counts.

Key Features:

• 316 Stainless Steel Construction: Provides exceptional resistance to corrosion, ideal for marine or high-moisture environments.
• Self-Drilling Point: Designed to fasten into steel without pre-drilling, saving time and labor.
• Hex Washer Head Design: Offers a clean finish with optimal driving stability.
• Optimized Thread Geometry: Increases holding power and reduces driving torque.
• Engineered by Simpson Strong-Tie: Backed by trusted performance and reliability.

Applications:

• Coastal and marine construction
• Water treatment plants and chemical facilities
• Exterior metal framing and structural steel connections
• High-humidity or salt-air environments

Installation:

• For use with 16- to 12-gauge steel
• Drive using a 5/16" hex driver
• No pre-drilling required in standard steel applications
• Ensure proper alignment before installation to avoid cam-out