5/16"-18 Socket Head Cap Screw, Socket, Black Oxide Alloy Steel, 3 in Length, 100 PK MPN:31C300KCS
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Free Shipping
In Stock
SKU
510-G2568291
5/16"-18 Socket Head Cap Screw, Socket, Black Oxide Alloy Steel, 3 in Length, 100 PK
Elevate your projects with Kerr Lakeside's 5/16in-18 Socket Head Cap Screws. These high-quality, alloy steel fasteners feature a black oxide finish for corrosion resistance and a standard socket drive for easy installation. With a length of 3 inches and a partially threaded design, they provide a secure hold in a variety of applications, including machinery, equipment, and industrial construction. Their durability and resistance to wear make them ideal for heavy-duty use, while their compact size makes them suitable for precision engineering and manufacturing. Perfect for professionals and DIYers alike, these screws offer a reliable and long-lasting solution.
Top product features:
- Socket Head Cap Screw has a standard head type for easy installation and compatibility with standard tools.
- The screw is made from alloy steel for high strength and durability.
- The screw has a black oxide finish for corrosion resistance and a long-lasting appearance.
Top product applications:
- Machine Building
- Automotive Repair
- Aerospace Engineering
Standard Socket Head Cap Screw, Head Type Standard, System of Measurement Inch, Drive Type Socket, Drive Size 1/4 in, Material Alloy Steel, Material Grade/Class Grade 8, Finish Black Oxide, Thread Size 5/16 In.-18, Minimum Thread Length 1 1/8 in, Fastener Length 3 in, Head Height 0.312 in, Head Diameter 0.469 in, Pack Size Small Pack, Thread Style Partially Threaded, Special Features Not Applicable, Countersink Angle Not Applicable, Dimensional Standards ANSI B 18.3
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 4.40
- Package Width: 4.70
- Package Height: 4.30
- Package Weight: 6.92
Product info last updated on January 14, 2026 9:58am UTC
Category: Screws and Bolts