Machine Screws Phil Truss Steel Black Oxide 1/4-20 X 5/8 are precision fasteners designed for reliable joining in metal and wood applications. These Phillips-truss head machine screws provide a low-profile head with a wide bearing surface, ideal for cabinetry, furniture, electronics enclosures, and other assemblies where a flush, secure fit is important.

Constructed from durable steel with a black oxide finish, they deliver corrosion resistance and a subdued, non-reflective appearance suitable for both functional use and finished projects.

Key Features

• Drive Type: Phillips (PH) drive for widely available screwdrivers
• Head Style: Truss head provides a broad bearing surface and low-profile profile
• Size: 1/4-20 UNC thread
• Length: 5/8 inch
• Material: Steel
• Finish: Black oxide for corrosion resistance and reduced glare

Specifications & Applications

• Application: Metal-to-metal and metal-to-wood assemblies
• Common uses: Cabinets, furniture, equipment housings, electronics enclosures

Tip: For best results, select the appropriate driver and ensure you have the correct pilot hole or predrill for your material to achieve strong holding power with these 1/4-20 x 5/8″ screws.