Metallics Self-Drilling Drywall Screw #8 x 1/2" Steel Zinc Phillips Wafer Head

Metallics Industries Self-Drilling Drywall Screw #8 x 1/2" Steel Zinc Phillips Wafer Head

Professional Type BSD Self-Drilling & Tapping Drywall Fastener Solution

The Metallics Industries Self-Drilling Drywall Screw delivers exceptional performance and reliability for electrical, plumbing, heating and air conditioning applications. This steel zinc self-drilling and tapping screw provides dependable fastening solutions designed for professional contractors, electricians, and industrial technicians, offering the proven quality and precision engineering that professionals trust from a leading manufacturer of electrical hardware and industrial fasteners.

Professional Features & Benefits

Advanced Wafer Head Design

• Large Diameter Wafer Head (0.359 - 0.38 in.) - Provides greater holding surface area for superior grip and reduced pull-through on drywall and metal lathe applications
• Phillips Drive System with #2 Driver Size - Ensures reliable torque transfer and consistent installation with standard Phillips drivers
• Precision Recess Dimensions (0.176 - 0.189 diameter, 0.255 depth) - Engineered for optimal driver engagement and reduced cam-out during installation
• Type BSD Self-Drilling & Tapping Design - Eliminates pre-drilling requirements, reducing labor costs and installation time

Superior Material Construction

• AISI 1016-1024 Steel Construction - High-quality steel material provides exceptional strength and durability for demanding applications
• Zinc Finish Protection - Corrosion-resistant coating extends fastener life in moisture-prone environments
• Rockwell C32-40 Hardness Rating - Optimal hardness balance for reliable drilling performance and thread integrity

Professional Installation Performance

• UNF Thread Type with 18 TPI - Fine thread pitch provides superior holding power and smooth installation in metal substrates
• Drill Point Design - Self-drilling capability penetrates metal lathe up to 12 gauge thickness without pre-drilling
• 42 lb-in Minimum Torsional Strength - Engineered to withstand installation torque while maintaining thread integrity

Technical Specifications

Material: Steel Zinc with AISI 1016-1024 standard, Finish: Zinc coating, Length: 1/2 inch, Head Type: Wafer with 0.359-0.38 inch width, Drive Type: Phillips with #2 driver size, Thread: UNF type with 18 threads per inch per SAE J78-2013 standard, Hardness: Rockwell C32-40, Torsional Strength: 42 lb-in minimum, Point Type: Drill point, Wafer Thickness: 0.025-0.035 inches, Panel Thickness Range: 0.100-0.350 inches, Pack Type: Jar with 100 piece minimum order

Installation & Usage

1. Select appropriate #2 Phillips driver and ensure proper bit engagement in screw recess
2. Position screw perpendicular to work surface at desired fastening location
3. Apply steady downward pressure while engaging drill/driver at moderate speed
4. Allow self-drilling point to penetrate substrate without excessive force
5. Continue driving until wafer head seats flush against surface material
6. Verify secure attachment and proper thread engagement in substrate material

Professional Applications

Ideal for:

• Drywall Installation - Securing drywall panels to metal studs and framing systems in commercial and residential construction
• Metal Lathe Applications - Fastening metal lathe to metal studs up to 12 gauge thickness for plaster base installations
• Electrical Panel Assembly - Mounting electrical components and junction boxes in metal enclosures and panel systems
• HVAC Ductwork - Securing ductwork components and access panels in heating and air conditioning systems
• Plumbing Fixture Mounting - Installing plumbing fixtures and brackets to metal framing and support structures
• Commercial Construction - General fastening applications in commercial buildings requiring reliable metal-to-metal connections
• Industrial Assembly - Manufacturing and assembly applications requiring self-drilling fasteners for metal substrates
• Maintenance and Repair - Field repairs and maintenance work in electrical, plumbing, and HVAC systems

Steel Zinc Construction Advantage

The AISI 1016-1024 steel construction with zinc finish provides exceptional durability and corrosion resistance for demanding professional applications. The zinc coating protects against moisture and environmental exposure while maintaining the structural integrity required for electrical, plumbing, and HVAC installations. The optimized hardness rating ensures reliable self-drilling performance while preventing brittleness that could lead to fastener failure during installation.

Why Choose Metallics Industries Quality?

Metallics Industries demonstrates unwavering commitment to precision manufacturing and quality control excellence in electrical hardware and industrial fasteners. Our self-drilling drywall screws undergo comprehensive testing to ensure consistent performance, reliable thread engagement, and superior holding power. Professional contractors, electricians, and industrial technicians trust Metallics Industries for dependable fastening solutions that meet the demanding requirements of electrical, plumbing, HVAC, and construction applications, backed by our reputation for engineering excellence and material quality standards.