... Taps and Dies: 10-32,1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-2017 UNC Taps and Dies ... ,12mmx1.75, 4-40, 6-32, 8-32, 10-24, 12-24, 1/4"-20, 5/16"-18,3/8"-16, 7/16 ... Taps and Dies: 10-32,1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-2017 UNC Taps and Dies ... ,12mmx1.75, 4-40, 6-32, 8-32, 10-24, 12-24, 1/4"-20, 5/16"-18,3/8"-16, 7/16 ... "-14, 1/2"-13, 1/8"-27 NPT. 23 Drills: 2. ...