HSS M35 cobalt coated cobalt step drill bit set
| 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. |
Performance Guide:
• HSS4241: 2mm Aluminum, Iron, 5mm Plastic
• HSS6542/M2: 5mm Aluminum, Iron, Carbon Steel, Plastic
• HSSCO/M35: 5mm Aluminum, Iron, Carbon Steel, Stainless Steel, Plastic
















The company is specialized in producing high speed steel twist drills, masonry and SDS hammer drills, wood drills and other cutting tools. We also process all kinds of non-standard drills depending on the requirements of our customers.
Quality: With strong technical force and modern means of testing, all products are manufactured according to international standards and customer requirements. We have passed ISO9001 Quality System Certification.
Service: With over 10 years of experience in sales and technical staffing, we understand customer requirements for product quality and excel in research and development.
Our products are trusted by domestic and foreign customers, with almost 100% of products sold to Europe, the United States, and Southeast Asia.
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Payment Terms: L/C, T/T, D/A, D/P, Western Union, PayPal
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