Metallics Machine Screw 8-32 x 1-1/4" Round Head Combo Steel Zinc

Metallics Industries Machine Screw 8-32 x 1-1/4" Round Head Combo Steel Zinc

Professional Dual-Drive Fastener Solution

The Metallics Industries Machine Screw 8-32 x 1-1/4" 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

• Two Drives in One Head - Combo design features both slotted and Phillips drive options for maximum installation flexibility and tool compatibility
• Round Head Design - Professional round head configuration with 0.287-0.309 inch width provides secure fastening and finished appearance
• Steel Zinc Construction - AISI 1006-1022 steel with zinc finish delivers corrosion resistance and durability for demanding applications
• Precision Threading - 8-32 thread specification with 32 threads per inch ensures reliable engagement and holding power

Installation Versatility

• Driver Compatibility - #2 driver size accommodates standard Phillips and slotted bits for convenient installation
• Professional Dimensions - 1-1/4 inch length with precise head height of 0.107-0.12 inches for consistent performance
• Quality Hardness - Rockwell B70-B100 hardness rating provides optimal strength without brittleness

Technical Specifications

Thread Size: 8-32, Length: 1-1/4 inches, Material: Steel Zinc, Finish: Zinc, Head Type: Round, Drive Type: Slotted/Phillips Combo, Driver Size: #2, Head Width: 0.287-0.309 inches, Head Height: 0.107-0.12 inches, Thread Per Inch: 32, Material Standard: AISI 1006-1022, Hardness: Rockwell B70-B100, Tensile Strength: 60,000 psi minimum, Phillips Recess Depth: 0.075-0.101 inches, Slot Depth: 0.058-0.077 inches, Pack Type: Jar, Weight: 0.73 lbs

Installation & Usage

1. Select appropriate pre-drilled or tapped hole matching 8-32 thread specification
2. Choose between Phillips or slotted driver based on tool availability and access requirements
3. Insert screw through components ensuring proper thread engagement
4. Apply consistent torque using #2 driver size for secure fastening without over-tightening
5. Verify round head sits flush against surface for professional finished appearance
6. Confirm secure attachment and proper thread engagement for reliable holding power

Professional Applications

Ideal for:

• Electrical Installations - Panel box assembly, switch and outlet mounting, conduit bracket attachment, and electrical enclosure fastening
• HVAC Systems - Ductwork connections, equipment mounting, control panel assembly, and ventilation component installation
• Plumbing Applications - Fixture mounting, pipe bracket installation, valve assembly, and plumbing hardware attachment
• Equipment Assembly - Machine component fastening, control panel installation, and precision equipment mounting
• Industrial Maintenance - Machinery repair, equipment servicing, component replacement, and facility maintenance projects
• Commercial Construction - Building system installation, infrastructure assembly, and professional construction applications
• Metal Fabrication - Steel structure assembly, bracket mounting, and fabricated component attachment
• Building Maintenance - Facility repairs, system upgrades, and maintenance fastening applications

Steel Zinc Advantage

The steel zinc construction provides superior corrosion resistance and durability for electrical, plumbing, and HVAC applications. The zinc finish protects against moisture and environmental exposure while maintaining the strength characteristics of quality steel. The AISI 1006-1022 material standard ensures consistent performance and reliability in demanding professional installations.

Why Choose Metallics Industries Quality?

Metallics Industries' commitment to precision manufacturing ensures every combo machine screw meets exacting quality standards. Since 1985, Metallics was the first fastener company in America to offer a full line of combo screws, demonstrating our innovation leadership in dual-drive fastener technology. Our comprehensive product testing, reliable performance standards, and trusted solutions serve contractors, electricians, and industrial professionals across electrical, plumbing, HVAC, and construction applications with the precision engineering and material quality that demanding projects require.