Description
- 【Package Includes】You will receive 3pcs step drill bits set (3 kinds of size), and one storage bag, the dimensions of step cutter for metal are: 4-12 mm, 4-20mm, 3-12mm, which can meet your needs in different needs.
- 【High quality material】Step Cone Drill Bits is made of high speed steel, and the Titanium Nitride Coated to reduce friction heat, and run cooler. Strong and durability.
- 【3 Step Sizes】Different sizes can meet different needs, design for precision drilling different size holes from 4mm up to 20mm in diameter, covering assorted step sizes helps to drill or enlarge different holes in one bit, optimum speed and accuracy.
- 【Easy to Use】The step drill bit for metal fits into power tools chuck securely and avoid slip. Step cone drill bits design for precision drilling different size holes, optimum speed, and accuracy.
- 【Suitable for Materials】Perfectly suitable for Hard Metal such as Stainless Steel, Steel and Cast Iron as well as Wood, Aluminum Alloy and Other Softer Metals.Try to adjust the RPM when it fails to penetrate. Widely applicable to cut or enlarge holes in materials like thin steel, thin metals(thickness≤5mm), wood, thin iron, plastic, aluminum, pvc, Fibreglass and etc.