Description:

Size: 1/4 inch-28 X 1 inch. Flat Head, Phillips Drive. Use with nuts or pre-threaded holes of the same diameter and thread size. Often used in machinery and appliances. Nuts and washers not included. Thread Type: Coarse, Thread Class: UNC-2A, Point Style: Blunt. Specification(s) Met: ASME B18.6.3 and ASME B1.1.