Minerallac 1/4-20 x 1/2" 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 1/2" round head machine screws featuring zinc plated steel construction and combo Phillips/slotted drive design. Engineered for use in pre-tapped holes or with nuts, these professional-grade fasteners provide secure connections across electrical, mechanical, and industrial applications.
Professional Features & Benefits
- 1/4-20 Thread Size: Standard threading ensures compatibility with common nuts and pre-tapped holes for versatile installation options.
- 1/2" Length: Optimal length provides secure engagement while accommodating standard material thicknesses in professional applications.
- Zinc Plated Finish: Corrosion-resistant coating extends service life and maintains appearance in indoor and outdoor environments.
- Phillips/Slotted Combo Drive: Dual drive system allows installation with either Phillips or flathead screwdrivers for maximum convenience.
- Round Head Design: Low-profile head configuration provides clean appearance and reduces snagging in finished installations.
- Steel Construction: High-strength material delivers reliable holding power and durability under mechanical stress.
Technical Specifications
- Country Of Origin: China
- 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: 1/2 in
- Product Material: Steel
- Product Size: 1/4"-20
- Product Type: Machine Screw
- Thread Size: 20
- Thread Type: 2A External Threads
Installation & Operation
- Mount the unit in a suitable location with appropriate clearance and access for connections and service.
- Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
- Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
- Configure any available load management or control features as supported by the provided specifications.
- Test automatic transfer or operational functionality and verify proper performance before placing into service.
- Complete final inspection and follow ongoing maintenance practices appropriate to the product category.
Professional Applications
- Electrical Panel Assembly
- Equipment Mounting
- Mechanical Fastening
- Industrial Machinery
- Commercial Construction
- Maintenance and Repair
- Professional Installation
Why Choose Minerallac Quality?
Minerallac machine screws deliver consistent performance with zinc plated steel construction and precision threading. The combo drive design and round head configuration provide professional installation flexibility while maintaining reliable holding power for demanding applications.
Manufacturer Resources
Product Specs
- Country Of Origin:
- China
- 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:
- 1/2 in
- Product Material:
- Steel
- Product Size:
- 1/4"-20
- Product Type:
- Machine Screw
- Thread Size:
- 20
- Thread Type:
- 2A External Threads