18 and 36 Piece Tap and Drill Sets

9 Plug Taps and 9 matching Heavy Duty 135 Drill Bits housed in a metal index Available in the following configurations: 18 Piece Carbon Steel NC Sizes 18 Piece Carbon Steel NF Sizes 18 Piece High Speed Steel NC Sizes 36 Piece Carbon Steel both NC and NF Sizes   Sizes included in NC Sets: Plug Tap Size Matching Drill Size 6 x 32 NC #36 8 x 32 NC #29 10 x 24 NC #25 10 x 32 NF #21 1/4 x 20 NC #7 5/16 x 18 NC Letter F 3/8 x 16 NC 5/16" 7/16 x 14 NC Letter U 1/2 x 13 NC 27/64   Sizes Included in NF Sets: Plug Tap Size Matching Drill Size 6 X 40 NF #33 8 X 36 NF #29 10 X 24 NC #25 10 X 32 NF #21 1/4 X 28 NF #3 5/16 X 24 NF #1 3/8 X 24 NF Letter Q 7/16 X 20 NF 25/64" 1/2 X 20 NF 29/64"    Sizes included in the 36 Piece sets with both NC and NF:  Plug Tap Size Matching Drill Size 6 x 32 NC #36 8 x 32 NC #29 10 x 24 NC #25 12 x 24 NC #16 1/4 x 20 NC #7 5/16 x 18 NC Letter F 3/8 x 16 NC 5/16" 7/16 x 14 NC Letter U 1/2 x 13 NC