Use an Allen wrench (hex key) to secure with required torque as needed.3 & ASTM F879 Rounded head has splined outer circumference with internal hex drive.
These floor stops are designed to stop low swinging doors from damaging adjacent walls and furnishings, and they include the necessary installation fasteners.These dome type floor stops are constructed of cast brass and a rubber bumper, and they come in a satin nickel finish.
6. Size: 1/4 inch-20 X 2 inchPan Head, Phillips DriveUse with nuts or pre-threaded holes of the same diameter & thread sizeOften used in machinery & appliancesNuts and washers not includedThread Type: Coarse, Thread Class: UNC-2A, Point Style: BluntSpecification(s) Met: ASME B18.1.3 & ASME B1.