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5/16UNC Imperial Grub Screws
Description
Grub Screw – 5/16 UNC Stainless Steel
Our 5/16" UNC Grub Screws (also known as socket set screws) are durable, headless fasteners designed for internal clamping in mechanical assemblies where a flush, unobtrusive finish is critical. These screws are fully threaded and sit completely within the tapped hole, making them ideal for locking pulleys, collars, gears, and other components securely onto shafts without protruding.
The 5/16" UNC (Unified National Coarse) thread provides reliable grip and quick installation, particularly effective in softer materials or general-purpose tapped holes. The coarse thread profile ensures strong holding power and solid resistance to loosening under vibration.
Fitted with a hex socket drive, these screws are easy to install using an Allen key, delivering precise torque control and a firm, lasting hold. Made from corrosion-resistant stainless steel, they are suitable for use in both indoor and outdoor environments, including those exposed to moisture, chemicals, or wear.
Perfect for machinery maintenance, fabrication, and equipment assembly, our 5/16 UNC Grub Screws deliver strong, clean, and dependable fastening performance.
