This socket set screw with cup point is the most comonly used set screw featuring a cup-shaped indentation on one end The Durability of this cup point set screw offers superior resistance to wear while maintaining a strong grip Socket Set Screw, Cup Point, 5/16-24 x 1/4, Alloy Steel, Black Oxide, Hex Socket (Quantity: 100) Fine Thread, 5/16 inch Grub/Blind/Allen/Headless Screw, Length: 1/4 inch From the Manufacturer A Set Screw is a type of screw generally used to secure an object within or against another object. Fully threaded headless screw with a recessed hex drive Hillman 332181 10-32 X 3/16 Socket Head Set Screw, Cup Point, 100-Pack,Gray : Industrial & ScientificProduct Description A Set Screw is a type of screw generally used to secure an object within or against another object. Set screws are most often headless, meaning that the screw is fully threaded and has no head projecting past the major diameter of the screw thread. The set screw... 10-32 Set Screw The Hillman Group 332184 10-32 X 1/4 Socket Head Set Screw, Cup Point, 100-Pack Rack Screws 10-32 Socket drive prevents slippage during installation Head treated for toughness and durability