| Step Drill Bits Specifications | |
|---|---|
| Material | HSS 4241, HSS 4341, M2, M35 |
| Surface Treatment | Bright finished, Tin-coated, Cobalt-coated, Black-oxidized |
| Shank | Round Shank, Three-Side Shank, Hex Shank, Hex Shank With a Step |
| Flute | Straight Flute, Spiral Flute |
| Process | Fully Ground |
| Application | Aluminum, Iron, Carbon Steel, Stainless steel, Plastic, etc. |
Our manufacturing facility lies in the Yangtze River Delta, conveniently situated close to Changzhou airport, Danyang railway station, and Shanghai port, ensuring efficient logistics and shipping routes.
We specialize in the research, development, and production of high-speed steel twist drills, masonry and SDS hammer drills, wood drills, and other professional cutting tools. We are also fully equipped to customize all types of non-standard drills according to specific customer requirements.
Quality Assurance: Backed by a strong technical force and modern testing equipment, all of our products conform strictly to international standards and individual customer demands. The factory has proudly passed ISO9001 Quality System Certification.
Professional Service: With over 10 years of sales and technical experience, our staff excels at understanding varied customer standards and developing customized cutting solutions. Thanks to our excellent quality control and competitive pricing, we have built trusted, long-term partnerships with customers worldwide, exporting extensively to Europe, the United States, and Southeast Asia.