1/4"-20 X 5-1/2" Machine Screws | Round Head | Slotted Drive | Steel Zinc Plated (300/Pkg.)

Machine Screws Slotted Round Zinc Plated 1/4-20 x 5 1/2 are precision-engineered fasteners designed for dependable, high-strength connections in machinery, electronics enclosures, panels, and general industrial applications. The slotted drive paired with a round head provides a clean, finished look and easy manual installation, while the zinc plating delivers corrosion resistance for reliable performance in indoor and sheltered environments.

Key features and specifications:

• Thread size: 1/4-20
• Length: 5-1/2 in
• Drive type: Slotted
• Head style: Round
• Finish: Zinc plated
• Material: Steel
• Thread type: Coarse (20 TPI)

Applications include mounting panels, securing components in machinery, electronics enclosures, and equipment assemblies where a reliable, corrosion-resistant fastener is required. Compatible with standard nuts and washers designed for 1/4-20 hardware, these screws are a versatile choice for OEMs, maintenance teams, and hobbyist projects alike.