Self-Tapping Screw / AYP 17000612Pack Size:1AYP 17000612, AYP 17490612, AYP 17060612, AYP 817000612, Husqvarna 817 06 06-12NHC 274-9990, Oregon 02-301, Rotary 9373, Stens 285-134AYP Roper quill assembliesLength: 2 ", Thread: 3/8 ", 3/8"-16 internal, Package of 4