plus all needed essential threading tool kit including both long and short wrenches
1 piece large mandrel with adapter and 1 piece pilot drill bit
keep tap cutting teeth sharper and allow chips to collect in the flutes to cut deeper holes
They create internal and external threads easily for 39 thread sizes
7/16"-14 UNC
18 Pcs SAE Drill and Tap Set plus all needed essential threading18pcs SAE Drill and Tap Set with 1 Piece T Handle Ratchet Tap Wrench Capacity Range #0 1 4", Black and Gold Premium HSS Jobber Length Drill Bits and Hand Plug Taps with Metal Indexed Box Drill, Tap and Ratchet Tap Wrench Set Includes: 9 drill bits include wire gauge sizes #36, #29, #25, #21, #7, letter sizes F, U and inch sizes 5 16", 27 64". 9 hand taps include 6 32 UNC, 8 32 UNC, 10 24 UNC, 10 32 UNF, 1 4" 20 UNC, 5 16" 18 UNC, 3 8" 16 UNC, 7 16" 14