This screw, manufactured by Briggs & Stratton, has multiple uses in small and medium sized gasoline powered engines, including generators, leaf blowers, lawn mowers, log splitters, chippers, tillers, pressure washers, and vacuums. Bolts of this design are used to secure engines and accessories to the body of the power tool. Manufactured with a smooth nozzle, these bolts are capable of withstanding four times the resistance of a regular hex bolt. For this reason, they are often used to secure the housing of moving parts, such as the cylinder head. Periodically, the wear and tear experienced by any engine will result in interior pieces needing to be replaced. In such cases it always a good idea to also replace the hardware that secures the various parts of the device together. Flange bolts and nuts should be replaced with genuine OEM parts such as this one, which is manufactured to meet the same specifications as the original. Occasionally, the high heat of the engine, coupled with extensive use, can cause a hex bolt such as this to freeze up. In such a case, a machinist is necessary to drill out the original bolt and retap the hole so the bolt can be used. This screw is compatible with equipment manufactured by Briggs & Stratton, Simplicity, MTD, Craftsman, Lawn Boy, Toro, Cub Cadet, and Murray.