This screw, part number 710-0539, secures key components in your Sub Zero, Montgomery Wards, Hoover, Husqvarna, Craftsman, Huskee, MasterCut, MTD, Troy-Bilt, Yard Machines, Yard-Man, Snapper, Cub Cadet, Ryobi, Turf King, Wheel Horse, or Simplicity Refrigerator, Vacuum Cleaner, Lawn Mower, Snowblower, Tiller, String Trimmer, Edger, Hedge Trimmer, Chainsaw, Log Splitter, or Wood Chipper.