Step Drill Bit 10pcs Step Drill Bit Set 1/4 Inch Hex Shank 5 Flute Countersink Drill Bit Set Automatic Center Punch

Features:- [Package includes]: 3 pieces of step drills, 6 pieces of 5-Flute countersunk drills and 1 piece of center punch in the package; enough quantity and type are enough to meet your various needs.- [Step drill bit set]: made of -speed steel and coated titanium, various sizes of 4-12 mm, 3-12 mm, 4-20 mm. These step drills have the functions of heat resistance, corrosion resistance and rust , and are practical and .- [Countersunk bit set]: made of carbon steel, the of the countersunk bit is plated titanium to rust; they are Replacement for quick replacement, and are Replacement for most power tools 1/4-inch hexagonal shank, the cutting edge is hardened and polished to improve Sharpness, up to sharp and accurate countersinking.- [Automatic center punch]: The automatic center punch is very effective. It can make pits on the workpiece to the screw and drill bit from shaking and drifting, so as to help you complete the work accurately and quickly, saving time and energy.- [Wide range of uses]: very Replacement for drilling, reaming, chamfering, screw heads, etc.; Replacement for chamfering various types of materials, such as wood, plywood, aluminum, iron, , fiberboard, plastic, board, etc.Specifications:6pcs 1/4 inch Hexagon Shank 5 Flute Countersunk Bits:Materialspeed steelSize6mm, 8mm, 9mm, 12mm, 18mm, 19mmShank Type1/4 Inch Hex ShankColorGold + SilverGreat forSinking 90 degree holes into wood and soft metals countersunk screws andfixings, Replacement for diy, home and general building/engineering using.Package Included:1 Pc xBag1 Pc xCenter punch3 Pcs xStep drills6 Pcs xCounte

[Countersunk bit set]: made of carbon steel, the of the countersunk bit is plated titanium to rust [Step drill bit set]: made of -speed steel and coated titanium, various sizes of 4-12 mm, 3-12 mm, 4-20 mm. These step drills have the functions of heat resistance our -accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market. Comes Quick change 1/4 inch hex shank for quick bit switches and impact ready power tools. [Package includes]: 3 pieces of step drills, 6 pieces of 5-Flute countersunk drills and 1 piece of center punch in the package; [Automatic center punch]: The automatic center punch is very effective