Meterk 3pcs HSS Step Drill Bit Set 4-32mm 4-20mm 4-12mm Straight Step Drill Bit Titanium Coated Wood Metal Hole Cutter C

Please note this item ships from an international seller. Expected delivery is 10-15 days. Features: Premium Quality -- Made from HSS steel; Heat treated and highly polished ensures outstanding durability and sharpness cut more smoothly can reduces the friction runs cooler hence lengthening the service life. High Performance -- Ideal for Deburring Chamfering Cutting or expanding perfectly round holes in a variety of materials including steel wood etc. Wide Compatible -- The hex 1/4inch shank is better clamped on the Pistol drill Hand drill Charging drill Bench drill to slippage and shedding during the rotation. Meet Your Demands -- With the versatile step drill bit you can process different kinds of diameter holes which greatly saves you a lot of trouble. Great for steel sheets/ aluminum sheets/ copper/ / wood board and many other types of sheet metal with ease countersunk. Wide Application -- Suitable for Home DIY and General Building/ Engineering Use. Specification: Material: High Speed Steel + Titanium Coating Color: Gold + Optional Step Size: 4-12mm 5 (4 6 8 10 12mm) 4-20mm 9 (4 6 8 10 12 14?16 18 20mm) 4-32mm 15 (4 6 8 10 12 14 16 18 20 22 24 26 28 30 32mm) Hex Shank Diameter: 1/4in(6.35mm) Step Drill Length: 4-12mm Length: Approx. 4.5cm/ 1.8in 4-20mm Length: Approx. 7.5cm/ 3.0in 4-32mm Length: Approx. 10.3cm/ 4.1in Packing List: 1 * 4-32mm Step Drill Bits 1 * 4-20mm Step Drill Bits 1 * 4-12mm Step Drill Bits