Step Drill Bit

Our step drill bit is mainly employed for drilling process of sheet steel with the thickness within 3mm. One such product can replace several other drill heads to process holes with different diameters according to needs. The big hole can be processed successfully with one time, no needing for replacing the drill head and boring the positioning hole.

The step drill bit is manufactured through fully grinding and using the CBN. Its main material is high speed steel, cemented carbide and more. The machining precision is high. Based on the difference of processing conditions, the product can be treated with surface coating to extend the service lifetime and enhance the durability of the product.

Application Range
The product is applicable in car processing, aerospace, sheet metal processing, electrical installation and maintenance, etc. Meanwhile, it can be carried easily to fit for working at height to match the tools such as electric hand drill.

We are a professional step drill bit manufacturer and supplier in China. We also provide 19 PCS drill bit sets, milled HSS drill bit, taper shank drill bit, taps for screw thread, and much more.

Related Names
Unibit | Conical Bit with Stair-step Profile | Tree Step Drill