ATD Tools 300 Tapered Fluted Extractor Set

Designed to remove broken studs, screws, pipe and pipe fittings quickly and easily. Has gradual taper and long flutes. Forged from alloy steel. Set Contains: (441-1) USS Screw Stud/Bolt Size: 1/4″ and 5/16″, Drill Size: 1/8″, Minimum Depth of Hole: 3/8″. (441-2) USS Screw Stud/Bolt Size: 3/8″; Drill Size: 3/16″, Minimum Depth of Hole: 1/2″. (441-3) USS Screw Stud/Bolt Size: 7/16″, Drill Size: 15/64″, Minimum Depth of Hole: 1/2″, Pipe Size: 1/8″. (441-4) USS Screw Stud/Bolt Size: 1/2″ and 9/16″, Drill Size: 5/16″, Minimum Depth of Hole: 1/2″, Pipe Size: 1/4″. (441-5) USS Screw Stud/Bolt Size: 5/8″, Drill Size: 3/8″, Minimum Depth of Hole: 5/8″, Pipe Size: 3/8″.