Pagoda-shaped hole drill, multi-purpose drill, conical drill, multi-functional stepped drill, spiral groove drill (4mm12mm)

1、Multi‑purpose, can drill holes of different diameters, simple and convenient operation 2、Accurate drilling, the product can be rounded, reamed, and deburred, suitable for hand drills, bench drills and battery drills, etc. 3、With X‑shaped opening design, it can effectively reduce drill bit slippage and easy to operate 4、The product has a scale, the diameter can be seen intuitively, and the marking is clear 5、The step drill bit is suitable for drilling wood, stainless steel, plastic plates, copper plates and aluminum platesItem Type: Step Drill Bit Material: High speed steel Uses: Drilling wood, stainless steel, plastic plates, copper plates, aluminum plates Applicable Equipment: Electric drill, bench drill, battery drill, etc. Shank Type: General hex handle

Size(Approx. )	Step number	Blade length per step(Approx. )	Shank diameter(Approx. )	Total length of cutter head(Approx. )
4 ~ 12mm / 0.2 ~ 0.5in	5	7mm / 0.3in	6.35mm / 0.3in	43mm / 1.7in
4 ~ 20mm / 0.2 ~ 0.8in	9	4.5mm / 0.2in	6.35mm / 0.3in	55mm / 2.2in
4 ~ 22mm / 0.2 ~ 0.9in	10	4mm / 0.2in	6.35mm / 0.3in	55mm / 2.2in
4 ~ 32mm / 0.2 ~ 1.3in	15	4mm / 0.2in	6.35mm / 0.3in	78mm / 3.1in1 x Step Drill Bit