3-Piece High-Speed Steel Step Drill Bit Set for Metal, Aluminum, and Wood - 1/4 Hex Shank Unibit for Faster Drilling

About this item

• Great Metal Step Bit - Two-Flute Design for smoother cutting, and the split point tip will accelerate cutting speed, drilling holes in metal is fast, efficient, and clean. We are confident with the quality of step drill bit. and we are sure you will love this multifunction drill bits, please feel free to contact us, if you are not satisfied with the cone drill bit, we will provide you a satisfactory solution, thanks.
• Multiple Size Include - Our step drill bit set come with 3 unibit step bits, 31 size include. 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 inch),6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2 inch),13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2 inch). The step drill bit is suitable for home DIY, handyman, professionals.
• Spiral Grooved Design - The step drill bit for metal is designed with two-flute spiral. which can deburr chips faster and smooth drilling holes. The step drill bits have 118° split point tip, which can accelerate cutting speed and while preventing angled walking away from center. The step drill will long-lasting and efficient.
• Versatile Use - Our step drill bit collection is designed to create holes of varying diameters to suit your requirements. Ideal for drilling through materials such as plastic, aluminum, iron, and wood (not suitable for stainless steel or other tougher metals). The 1/4-inch hex shank securely attaches to any power tool.
• HSS Titanium Coating - Our step drill bit is made of high-speed steel material, coated by titanium nitride ensures the step drill bits has great sharpness and durability. With the coating the step bit is great for fast drilling hole on aluminum, wood, copper, stainless steel, plastic and other metal sheet.