Including 0001-0040 UNC Set; 0001-0050 UNF Set; 0001-0052 Metric Set
0001-0040 - 18 Pcs UNC Tap & Drill Set Contains 6 - 32UNC, 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'' - 16 UNC, 25; 7/16 - 14UNC, 29; 1/2'' - 13UNC, 36.
0001-0050 18 Pcs UNF Tap & Drill Set Contains 6 - 40 UNF, 29/64; 8 - 36 UNF, 25/64; 10 - 24 UNC, Q; 10 - 32 UNF, T; 1/4'' - 28 UNF, 3; 5/16'' - 24 UNF, 21; 3/8'' - 24UNF, 25; 7/16 - 20 UNF, 29; 1/2 - 20UNF, 36.
0001-0052 18 Pcs Metric Tap & Drill Set Contains 2.5 x 0.45mm Tap, 2.05 Drill; 4.00X0.50mm Tap, 2.50mm Drill; 3.5 x 0.60mm Tap, 2.90mm Drill; 4.0X0.70mm Tap, 3.30mm Drill; 5.0 x 0.80mm Tap, 4.20mm Drill; 6.0X1.00mm Tap, 5.00mm Drill; 8.0 x 1.25mm Tap, 6.70mm Drill; 10.0X1.50mm Tap, 8.50mm Drill; 12.0 x 1.75mm Tap, 10.20mm Drill.
HSS fully ground, high quality