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45 steel
Stainless steel
(Within 1mm)
Square tube
Chrome steel
Iron
Cast iron
Copper
Aluminum alloy
Plastic
Wood
| Product Name | High cobalt twist diamond |
| Size Range | 12mm - 40mm |
| Material | Stainless Steel, HSS (High Speed Steel) |
| Non-standards | OEM available (based on drawings or samples) |
| D (mm) | FL (mm) | SD (mm) | D (mm) | FL (mm) | SD (mm) |
|---|---|---|---|---|---|
| 0.4 - 1 | 12 | 34 | 7.6 - 8 | 97 | 117 |
| 1.1 - 1.5 | 18 | 40 | 8.1 - 8.5 | 75 | 117 |
| 1.6 - 2 | 24 | 49 | 8.6 - 9 | 81 | 125 |
| 2.1 - 2.5 | 30 | 57 | 9.1 - 9.5 | 81 | 125 |
| 2.6 - 3 | 33 | 61 | 9.6 - 10 | 87 | 133 |
| 3.6 - 4 | 43 | 75 | 10.1 - 10.5 | 87 | 133 |
| 4.1 - 4.5 | 47 | 80 | 10.6 - 11 | 94 | 142 |
| 4.6 - 5 | 52 | 86 | 11.1 - 11.5 | 94 | 142 |
| 5.1 - 5.5 | 57 | 93 | 11.6 - 12 | 98 | 155 |
| 5.6 - 6 | 57 | 93 | 12.1 - 12.5 | 101 | 151 |
We provide various packaging methods including bags, paper boxes, plastic boxes, and customized solutions.




Professional Manufacturer: Supplying global trade with 15+ years of expertise in production and global markets.
Reliable Quality: Rigorous QC from materials to shipment including salt spray, hardness, and precision testing.
High Capacity: Over 1,000+ tons per month production capability.
Compliance: Products meet DIN, ISO, ANSI, BS, and JIS standards.
Flexibility: Professional OEM/ODM services available for diverse project requirements.