Drill & Tap Bits Set of 13 pcs - 6 SAE Sizes: 6-32NC to 1/4-20NC, 6 Metric Sizes: M3 to M10 and a Quick-Change Adapter Combine Drilling Tapping Threading Countersinking Functions in One Bit, Black

Enhanced Efficiency: This 3-in-1 drill and tap bit set merges drilling, tapping, and countersinking into one bit, saving time by letting you finish 2 or 3 tasks without swapping bits.
Versatile Range of Sizes: Get ready for diverse projects with this tap bit set that contains 6
SAE sizes: 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, 1/4"-20NC, and 6
Metric sizes: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5.
Designed for Metal Work: Made from high-speed steel with a black oxide finish, these tap bits suit a broad range of materials, including thin plates or sheet-metal up to 1/4 inch, copper, brass, aluminum, plastic, and more.
Convenient Features: This drill bit set comes with a 1/4" hex shank quick-change adapter for easy handling and increased working depth. The set is neatly arranged in a storage case with clearly marked compartments for accurate job selection.
User Tips: For optimal outcomes, keep
in mind: a) Go slow and avoid forcing the bit; b) Use plenty of cutting oil; c) Take your time for precise work; d) For better results, cut and back out a little before cutting again; e) When dealing with tougher metals, drill a pilot hole first