Metallics Type A Tapping Screw #12 x 3/4" Steel Zinc Indented Hex Head Slotted Drive

Metallics Industries Type A Tapping Screw #12 x 3/4" Steel Zinc Indented Hex Head Slotted Drive

Professional Sheet Metal Fastening Solution

The Metallics Industries Type A Tapping Screw delivers exceptional performance and reliability for light metal assembly applications including electrical outlets, framing, and various sheet metal installations. This steel zinc 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

Superior Construction & Materials

• Steel Zinc Construction with AISI 1016-1024 Material Standard - Provides excellent corrosion resistance and durability for long-lasting performance in electrical and sheet metal applications
• Indented Hex Head Design with 5/16" Width - Offers superior grip and torque transfer while preventing cam-out during installation with standard hex drivers
• Dual Drive System (Hex/Slotted) - Provides installation flexibility with both hex and slotted drive options for various tool preferences and access requirements
• Gimlet Point Sharp Point Design - Ensures clean penetration and precise threading in sheet metal without pre-drilling requirements

Precision Threading & Performance

• 11 Threads Per Inch with ASME B18.6.4 Standard - Delivers optimal thread engagement and holding power in thin gauge materials
• Rockwell C28-38 Hardness Rating - Provides the ideal balance of strength and workability for consistent threading performance
• 83 lb-in Minimum Torsional Strength - Ensures reliable fastener integrity under installation and service loads

Professional Installation Features

• Type A Tapping Screw Classification - Specifically engineered for sheet metal and light gauge material applications
• ASME B18.6.3-2010 Dimensional Compliance - Guarantees consistent fit and performance with standard tooling and applications

Technical Specifications

Material: Steel Zinc with AISI 1016-1024 standard, Finish: Zinc coating, Size: #12 diameter x 3/4" length, Head Type: Indented Hex, Head Width: 0.305-0.312 inches, Head Height: 0.139-0.155 inches, Drive Type: Hex/Slotted combination, Slot Depth: 0.077-0.093 inches, Slot Width: 0.056-0.067 inches, Thread: 11 threads per inch, Thread Standard: ASME B18.6.4, Point Type: Gimlet point, Hardness: Rockwell C28-38, Torsional Strength: 83 lb-in minimum, Dimensional Standard: ASME B18.6.3-2010, Width Across Corners: 0.34 inches, Pack Type: Jar, Order Minimum: 100 pieces

Installation & Usage

1. Select appropriate hex or slotted driver based on access requirements and tool preference
2. Position screw perpendicular to sheet metal surface at desired fastening location
3. Apply steady downward pressure while beginning rotation to engage gimlet point
4. Continue threading with consistent torque until head seats flush against material surface
5. Verify secure fastening without over-tightening to prevent thread stripping
6. Check final installation for proper alignment and holding strength

Professional Applications

Ideal for:

• Electrical Installation - Securing outlet boxes, switch plates, and electrical enclosures to metal framing and junction boxes
• HVAC Systems - Fastening ductwork, register mounting, and sheet metal connections in heating and cooling installations
• Metal Framing - Attaching brackets, clips, and hardware to steel studs and metal framework systems
• Sheet Metal Assembly - Joining thin gauge metal components in fabrication and assembly operations
• Construction Fastening - Securing trim, flashing, and metal accessories to structural elements
• Industrial Assembly - Fastening light gauge metal components in manufacturing and equipment assembly
• Building Maintenance - Repair and replacement fastening for electrical boxes, panels, and metal fixtures
• Commercial Installation - Professional fastening solutions for retail, office, and institutional electrical work

Steel Zinc Construction Advantage

The steel zinc construction provides superior corrosion resistance compared to plain steel while maintaining the strength and threading performance required for professional electrical and sheet metal applications. The zinc coating offers long-term protection against moisture and environmental exposure, making these screws ideal for both interior and exterior installations where durability is essential.

Why Choose Metallics Industries Quality?

Metallics Industries demonstrates unwavering commitment to precision manufacturing and quality control excellence, ensuring every tapping screw meets strict ASME dimensional and performance standards. Our comprehensive material testing and quality assurance processes deliver the reliable performance that electrical contractors, HVAC technicians, and industrial professionals depend on for critical fastening applications, backed by decades of engineering excellence in electrical hardware and industrial fastener solutions.