Accusize 18 Pc H.S.S. Tap and Drill Set, U.N.C, 0001-0040

6-32 UNC , 27/64; 8-32 UNC, U; 10-24 UNC, 5/16; 10-32 UNF, F; 1/4"-20 UNC, 7; 5/16"-18 UNC, 21; 3/8"-16UNC, 25; 7/16-14UNC, 29; 1/2"-13UNC, 36 18 Pcs/Set H.S.S. Tap & Drill Set, UNC Size of Taps: 6-32UNC, 8-32UNC, 10-24UNC, 10-32UNF, 1/4"-20UNC, 5/16"-18UNC, 3/8"-16UNC, 7/16"-14UNC, 1/2"-13UNC. Size of Drills: #36, #29, #25, #21, #7, F, 5/16", U, 27/64". HSS Fully Ground Drills and taps are matched, improving work efficiency