Minerallac 1/4-20 x 1" Round Head Machine Screws with Phillips/Slotted Combo Drive, Zinc Plated Steel
Professional Fastening Solutions for Versatile Applications
Minerallac delivers reliable fastening performance with these 1/4-20 x 1" round head machine screws, featuring zinc plated steel construction and combo Phillips/slotted drive design. These professional-grade fasteners provide secure attachment in pre-tapped holes or with nuts, offering versatile installation options with corrosion-resistant zinc plating for long-lasting durability.
Professional Features & Benefits
- 1/4-20 Thread Size: Standard threading provides secure engagement and reliable holding power for professional applications
- Zinc Plated Steel Construction: Corrosion-resistant finish extends service life while maintaining structural integrity
- Round Head Design: 0.472" diameter head provides optimal bearing surface and professional appearance
- Combo Phillips/Slotted Drive: Dual drive options offer installation flexibility with standard #3 driver size
- 1 Inch Length: Optimal fastening length for standard thickness materials and assemblies
- 2A External Threads: Precision threading ensures proper fit and reliable mechanical connection
Technical Specifications
- Country Of Origin: Taiwan
- Drive Type: Phillips/Slotted Combo
- Driver Size: #3
- Head Color: Silver
- Head Diameter: 0.472
- Head Height: 0.175
- Head Type: Round Head
- Product Finish: Zinc Plated
- Product Length: 1 in
- Product Material: Steel
- Product Size: 1/4"-20
- Product Type: Machine Screw
- Thread Size: 20
- Thread Type: 2A External Threads
Installation & Operation
- Select appropriate pre-tapped hole or matching nut for 1/4-20 threading specifications.
- Position fastener in alignment with mounting surfaces and ensure proper thread engagement.
- Use #3 Phillips or slotted driver to begin installation with light initial torque.
- Apply appropriate torque following standard practices for steel fasteners and material thickness.
- Verify secure attachment and proper seating of round head against mounting surface.
- Inspect installation for proper thread engagement and fastener integrity before placing into service.
Professional Applications
- Electrical panel and enclosure assembly
- HVAC equipment mounting and service access
- Industrial machinery and equipment fastening
- Commercial fixture and bracket installation
- Maintenance and repair operations
- General construction and assembly projects
Why Choose Minerallac Quality?
Minerallac fasteners deliver consistent performance with precision-manufactured threading and durable zinc plated finish. The steel construction provides reliable strength while the corrosion-resistant coating ensures long-term service life in professional applications.
Manufacturer Resources
Product Specs
- Country Of Origin:
- Taiwan
- Drive Type:
- Phillips/Slotted Combo
- Driver Size:
- #3
- Head Color:
- Silver
- Head Diameter:
- 0.472
- Head Height:
- 0.175
- Head Type:
- Round Head
- Product Finish:
- Zinc Plated
- Product Length:
- 1 in
- Product Material:
- Steel
- Product Size:
- 1/4"-20
- Product Type:
- Machine Screw
- Thread Size:
- 20
- Thread Type:
- 2A External Threads