Minerallac 1/4-20 x 1-1/2" Round Head Machine Screws with Phillips/Slotted Combo Drive, Zinc Plated Steel
Professional Grade Fastening Solutions for Versatile Applications
Minerallac delivers reliable fastening performance with these precision-engineered 1/4-20 x 1-1/2" round head machine screws. Constructed from durable steel with zinc plated finish for corrosion resistance, these screws feature a convenient Phillips/slotted combo drive design for versatile installation options. Designed for use in pre-tapped holes or with nuts, these professional-grade fasteners provide secure connections across diverse applications.
Professional Features & Benefits
- 1/4-20 Thread Size: Standard threading ensures compatibility with common nuts and pre-tapped holes for reliable connections.
- 1-1/2" Length: Optimal length provides secure engagement while accommodating various material thicknesses.
- Round Head Design: Low-profile head with 0.472" diameter distributes load evenly and provides clean finished appearance.
- Phillips/Slotted Combo Drive: Dual drive system offers installation flexibility with both Phillips and flathead screwdrivers.
- Zinc Plated Steel Construction: Durable steel base material with protective zinc coating delivers strength and corrosion resistance.
- 2A External Thread Classification: Precision threading ensures proper fit and reliable fastening performance.
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: 1-1/2 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 and Mounting
- Equipment Chassis and Enclosure Assembly
- Mechanical Component Fastening
- Industrial Machinery Assembly
- Commercial Equipment Installation
- Maintenance and Repair Operations
Why Choose Minerallac Quality?
Minerallac machine screws deliver consistent performance with precision-manufactured steel construction and protective zinc plating for long-lasting durability. The combo drive design and standard threading provide professional-grade reliability for demanding fastening 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:
- 1-1/2 in
- Product Material:
- Steel
- Product Size:
- 1/4"-20
- Product Type:
- Machine Screw
- Thread Size:
- 20
- Thread Type:
- 2A External Threads