Step Drills Double Groove Countersink Drill High Speed Steel Cone Drill for Steel Wood, Plastic, Brass, Aluminum 3 pcs

High Quality: The step drill set is made of high speed steel and with titanium coating to reduce friction and heat, has strong durability. Which is smoother and has no resistance than straight groove step drills and chip removal is faster. Step Design: The hexagonal shank taper drill set adopts step cutting design which makes the cutting faster and smoother, which not only increases the cutting speed but also prevents the spiral step drill from slipping during operation, saving time and energy. Package Includes: You can get 3pcs step drills. Our high speed steel titanium drills include 3 sizes, 6.5cm, 7.5cm and 7.8cm, with a plastic bag for easy storage, meeting your needs for different hole diameters when processing. Easy to Drill: Drilling power tools prevent slipping, quickly remove chips, low pressure, drilling and cutting are faster and smoother, it can be faster, more stable and smoother cutting. Improve your work efficiency. Wide Application: Our cone drill bit is suitable for drilling holes in a variety of materials, including steel, wood, plastic, aluminum, copper, drywall, metal and PVC, etc. car or home. Ideal for professional and home use. Step Drill Bit Set High Speed Steel Titanium Coated Cone Drill Bits -Our step drill bit set has a serrated surface, which makes the drill bits not easy to become dull. -Hexagonal shank cone drill bit set fast cutting speed, strong practicality, easier work. -The cone drill bit can be installed firmly in the chuck of the power tool and eliminate slippage. -The step drill bit set can be used for chamfering, stainless steel sheet and aluminum alloy. -High speed steel titanium coating drill bits ensure exceptional durability and sharpness, can reduce friction, run cooler.