🧰【Drill Bit Set】The set includes 24 pcs drill tools, 13 pcs cobalt drill bits (1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4"), 5 pcs step drill bits (3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8''), 5 pcs countersink bits (1/4'', 3/8'', 1/2'', 5/8'', 3/4'') and 1 The center punch is used to mark an indentation on the workpiece to form a starting point to prevent screws and drill bits from deviating. ✅【High-Quality Material】Our countersunk drill, step drill and M35 cobalt drill bit set are made of high-speed steel, which has good heat resistance, corrosion resistance and rust resistance, and can extend the edge life even in extreme temperatures. The step drill bit set is reinforced with titanium coating, which is harder than ordinary high-speed steel drill bits, which can reduce friction and improve sharpness. 🟢【Precision Design】The step drill adopts a 118° split drill tip and double groove design, which can increase the cutting speed and automatically center, prevent tool slip, and make material particles easier to discharge; the countersunk drill bit is suitable for drilling 90 degree holes in wood and soft metal countersunk screws and fasteners; the 135 of the M35 cobalt drill bit The sharp tip and twisted design allow for faster cutting. 👨‍🏭【Wide Application】This versatile drill bit set has a wide variety of options for processing holes of different diameters, suitable for heavy metal, iron, aluminum, brass, plastic, aluminum alloy, wood, plastic and other materials, and can be used with hand drills, bench drills and electric drills. It is also suitable for home DIY projects, handymen and professionals. 🎁【Great Gift Choice】This drilling tool combines multiple tool functions in one, suitable for professionals or beginners, and can easily handle wood, metal, plastic boards, as well as make furniture and wooden toys. It is a perfect gift for fathers, friends, carpenters, DIY enthusiasts, home people, hobbyists and woodworkers.

Material:

11pcs step drill bit: bearing steel + aluminum box;

13pcs twist drill bit: high speed steel (titanium-plated)

Quantity: 11pcs step drill + 13pcs twist drill

Packing size: 24*16.5*6.2cm 900g

Packing list:

5*step drill (3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'' one each)

5*chamfer (1/4'', 3/8'', 1/2'', 5/8'', 3/4'' one each)

1*center punch

11*twist drill (1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4" each)