Midwest Fasteners Black Oxide Steel Fine Thread Socket Head Cap Screw

Midwest Fasteners Black Oxide Steel Fine Thread Socket Head Cap Screw

The Midwest Fasteners Socket Head Cap Screw family is machined from steel and finished in black oxide for a durable, low-glare surface, with a fine thread pitch for improved engagement in tapped holes. Each screw uses a socket (hex) drive connection for high-torque installation in tight or recessed bores, making this line a dependable choice for machine assembly, fixturing and equipment maintenance. This family is available in fine thread sizes ranging from #10-32 up through 3/8"-24, with lengths spanning 1/2" through 2", so fabricators and maintenance techs can match the exact screw size needed for a given tapped hole or assembly. Sold as a black-finished steel fastener, the line fits applications calling for a standard socket head cap screw profile rather than an external hex or slotted drive.

Key Features

• Size Range: Available from #10-32 through 3/8"-24 thread sizes, with lengths from 1/2" to 2", covering a wide range of assembly and fixturing needs.
• Material & Finish: Steel construction with a black oxide finish for a durable, corrosion-resistant surface and reduced glare on finished assemblies.
• Drive/Connection: Socket (hex) drive connection allows high-torque driving with a standard hex key, ideal for recessed or counterbored applications.
• Thread: Fine thread pitch across the range for improved engagement and holding power in tapped holes and precision assemblies.
• Type: Cap screw configuration with a socket head profile suited for machine and equipment assembly.
• Color: Black finish for a clean, low-visibility appearance on finished equipment and fixtures.

Technical Specifications

• Product Type: Cap Screw
• Product Finish: Black Oxide
• Connection Type: Socket (Hex)
• Product Material: Steel
• Product Color: Black
• Thread Type: Fine Thread
• Available Sizes: #10-32, 1/4"-28, 5/16"-24, 3/8"-24 (lengths from 1/2" to 2")

Typical Applications

• Machine and equipment assembly requiring a recessed socket head fastener
• Fixturing and jig construction where fine thread engagement is needed
• Maintenance and repair work on equipment originally assembled with socket cap screws
• Fabrication projects calling for a black oxide finished steel fastener
• Precision assemblies where a consistent fine thread pitch across multiple sizes is required

Why Midwest Fasteners?

Midwest Fasteners supplies steel socket head cap screws with consistent black oxide finishing and fine thread specifications across a full range of sizes, giving contractors, fabricators and maintenance techs a reliable fastener family for machine assembly and repair work. Choosing a socket cap screw with a defined material, finish and drive type helps ensure the fastener matches the tooling and torque requirements of the job at hand, while having a broad size range available in one family, from #10-32 up through 3/8"-24 and lengths of 1/2" to 2", simplifies sourcing for multi-size projects.