Metallics Machine Screw 8-32 x 1/2" Round Head Combo Steel Zinc

Metallics Industries Machine Screw 8-32 x 1/2" Round Head Combo Steel Zinc

Professional Fastener Solution with Dual Drive System

The Metallics Industries Machine Screw 8-32 x 1/2" Round Head Combo delivers exceptional performance and reliability for electrical, plumbing, and HVAC applications. This steel zinc machine 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

Dual Drive Performance

• Combo Slotted/Phillips Drive System - Provides versatility with two drive options in one head, allowing use of either slotted or Phillips #2 drivers for maximum installation flexibility
• Round Head Design - Features 0.287-0.309 inch head width and 0.107-0.12 inch head height for secure fastening with professional appearance
• Steel Zinc Construction - AISI 1006-1022 material standard with zinc finish provides corrosion resistance and durability for demanding applications
• Precision Threading - 8-32 thread specification with 32 threads per inch ensures reliable engagement and holding power

Professional Installation

• Versatile Drive Options - Combo head accepts both slotted and Phillips drivers for installation convenience
• Consistent Performance - Rockwell B70-B100 hardness with 60,000 psi minimum tensile strength for reliable fastening
• Quality Manufacturing - Metallics Industries precision manufacturing ensures consistent thread engagement and professional results

Technical Specifications

Material: Steel Zinc (AISI 1006-1022), Finish: Zinc, Thread: 8-32 x 32 TPI, Length: 1/2 inch, Head Type: Round Head, Drive Type: Slotted/Phillips Combo, Driver Size: #2, Head Width: 0.287-0.309 inch, Head Height: 0.107-0.12 inch, Hardness: Rockwell B70-B100, Tensile Strength: 60,000 psi minimum, Phillips Recess Depth: 0.075-0.101 inch, Phillips Recess Diameter: 0.165-0.178 inch, Slot Depth: 0.058-0.077 inch, Slot Width: 0.045-0.054 inch, Pack Type: Jar, Weight: 0.405 lbs

Installation & Usage

1. Select appropriate pre-drilled or tapped hole matching 8-32 thread specification
2. Choose either slotted screwdriver or Phillips #2 driver based on installation preference
3. Insert screw into threaded hole and begin threading by hand to prevent cross-threading
4. Use selected driver to tighten screw, ensuring round head seats properly against surface
5. Apply appropriate torque for application without over-tightening to prevent thread damage
6. Verify secure fastening and proper seating of round head for professional appearance

Professional Applications

Ideal for:

• Electrical Installations - Panel box assembly, electrical enclosure mounting, and component fastening
• HVAC Systems - Equipment mounting, ductwork connections, and control panel assembly
• Plumbing Applications - Fixture mounting, valve assembly, and pipe support installation
• Industrial Assembly - Machine component fastening, equipment maintenance, and precision assembly
• Construction Fastening - Metal framework connections, structural component assembly, and building systems
• Equipment Maintenance - Replacement fastening for existing installations and repair applications
• Commercial Applications - Building systems installation, facility maintenance, and professional construction
• Hardware Mounting - Bracket installation, support system assembly, and component attachment

Steel Zinc Construction Advantage

The steel zinc construction provides excellent corrosion resistance and durability for demanding professional applications. The AISI 1006-1022 material standard ensures consistent quality and performance, while the zinc finish offers protection against environmental factors. This combination delivers the reliability and longevity required for electrical, plumbing, and HVAC installations where fastener integrity is critical.

Why Choose Metallics Industries Quality?

Metallics Industries has been a pioneer in combo drive technology since 1985, being the first fastener company in America to offer a full line of combo screws. Our commitment to precision manufacturing, quality materials and finishes, and reliable performance makes us the trusted choice for contractors and industrial professionals. With comprehensive product testing and engineering excellence, Metallics Industries provides dependable solutions for electrical, plumbing, HVAC, and construction applications, backed by decades of innovation and quality leadership in the fastener industry.