Metallics Self-Drilling & Tapping Screw #14 x 1" 3/8" Indented Hex Head Steel Zinc with Washer #3 Drill Point

Metallics Industries Self-Drilling & Tapping Screw #14 x 1" 3/8" Indented Hex Head Steel Zinc with Washer #3 Drill Point

Professional Self-Drilling Fastener with Integrated Washer

The Metallics Industries Self-Drilling & Tapping Screw delivers exceptional performance and reliability for electrical, plumbing, and HVAC applications. This steel zinc fastener with integrated washer 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 Drilling Performance

• #3 Drill Point Design - Provides efficient drilling through metal substrates with 2.5 second drill time for 1mm thick plates, eliminating pre-drilling requirements
• 3/8" Indented Hex Head with Hex Drive - Delivers superior torque transfer and tool engagement for reliable installation with standard hex drivers
• Steel Zinc Construction - Offers excellent corrosion resistance and durability with Rockwell C32-40 hardness for demanding industrial applications
• Integrated Washer Design - Features 0.480-0.520" OD washer with 0.030-0.050" thickness for enhanced load distribution and sealing performance

Professional Installation Benefits

• Self-Drilling & Tapping Action - Combines drilling, tapping, and fastening in one operation for increased productivity and reduced installation time
• Type BSD Design - Engineered to SAE J78-2013 and ASME B18.6.3-2010 standards for consistent performance and reliability
• Precision Threading - Creates clean, precise threads in metal substrates for secure, vibration-resistant connections

Technical Specifications

Material: Steel Zinc with Zinc Finish | Fastener Length: 1 inch | Drill Point: #3 | Head Type: 3/8" Indented Hex | Drive Type: Hex | Head Height: 0.172-0.19 inches | Head Width: 0.367-0.375 inches | Hardness: Rockwell C32-40 | Material Standard: AISI 1016-1024 | Thread Standard: SAE J78-2013 | Dimensional Standard: ASME B18.6.3-2010 | Washer OD: 0.480-0.520 inches | Washer Thickness: 0.030-0.050 inches | Width Across Corners: 0.409 inches | Slot Depth: 0.083-0.101 inches | Slot Width: 0.064-0.075 inches | Pack Type: Jar | Weight: 1.41 lbs

Installation & Usage

1. Select appropriate hex driver bit matching the 3/8" indented hex head configuration
2. Position screw perpendicular to work surface ensuring proper alignment for straight penetration
3. Apply steady downward pressure while engaging drill/driver at moderate speed for optimal drilling performance
4. Allow #3 drill point to penetrate substrate completely before tapping action begins
5. Continue driving until washer contacts work surface and screw reaches desired torque specification
6. Verify secure fastening and proper washer seating for optimal load distribution and weather sealing

Professional Applications

Ideal for:

• Electrical Installations - Panel mounting, conduit brackets, electrical enclosures, and junction box assemblies
• HVAC Systems - Ductwork connections, equipment mounting, ventilation components, and air handling unit assembly
• Plumbing Applications - Pipe supports, fixture mounting, water heater installations, and plumbing system components
• Metal Fabrication - Sheet metal assembly, structural connections, equipment brackets, and industrial framework
• Construction Fastening - Metal building components, roofing applications, siding installation, and structural steel connections
• Industrial Assembly - Machinery mounting, equipment installation, maintenance applications, and production line assembly
• Building Maintenance - Repair work, retrofit installations, equipment upgrades, and facility modifications
• Commercial Construction - Building systems installation, infrastructure projects, and professional construction applications

Steel Zinc Construction Advantage

The steel zinc construction with zinc finish provides superior corrosion resistance and durability for demanding applications. The AISI 1016-1024 material standard ensures consistent mechanical properties, while the Rockwell C32-40 hardness delivers optimal drilling performance and thread-forming capability. The zinc coating offers enhanced protection against environmental factors, making these fasteners ideal for both indoor and outdoor installations where moisture resistance is critical.

Why Choose Metallics Industries Quality?

Metallics Industries demonstrates unwavering commitment to precision manufacturing and quality control excellence, ensuring every self-drilling screw meets rigorous SAE J78-2013 and ASME B18.6.3-2010 standards. Our comprehensive product testing and superior material selection deliver reliable performance for contractors, electricians, and industrial professionals. With specialized expertise in electrical hardware and industrial fastening solutions, Metallics Industries provides trusted, engineered solutions for electrical, plumbing, HVAC, and construction applications, backed by our reputation for manufacturing excellence and dependable professional-grade fasteners.