Minerallac 1/4-20 x 3" Round Head Machine Screws with Phillips/Slotted Combo Drive, Zinc Plated Steel
Professional Grade Fasteners for Versatile Applications
Minerallac delivers reliable fastening solutions with these 1/4-20 x 3" round head machine screws featuring zinc plated steel construction and combo Phillips/slotted drive design. These professional-grade fasteners provide secure attachment for pre-tapped holes or nut applications with corrosion-resistant zinc plating and versatile dual-drive compatibility.
Professional Features & Benefits
- 1/4-20 Thread Size: Standard threading provides reliable engagement and holding power for medium-duty applications
- 3" Length: Extended length accommodates thick materials and provides versatile installation options
- Zinc Plated Finish: Corrosion-resistant coating extends service life in various environmental conditions
- Phillips/Slotted Combo Drive: Dual drive design offers installation flexibility with multiple tool options
- Round Head Design: Low-profile head provides clean appearance while distributing load effectively
- Steel Construction: Durable material delivers reliable strength and performance for demanding applications
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: 3 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
- Structural Connections
- Mechanical Assemblies
- Industrial Maintenance
- Commercial Construction
Why Choose Minerallac Quality?
Minerallac fasteners deliver consistent performance with zinc plated steel construction and precision manufacturing. The combo drive design and corrosion-resistant finish ensure reliable service across diverse professional 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:
- 3 in
- Product Material:
- Steel
- Product Size:
- 1/4"-20
- Product Type:
- Machine Screw
- Thread Size:
- 20
- Thread Type:
- 2A External Threads