GB
| Size(L) | Diameter(ΦD) | |
| Inch | mm | mm |
| 4" | 100 | 3.1 |
| 6" | 150 | 5.1 |
| 8" | 200 | 6.5 |
| 10" | 250 | 8.5 |
| 12" | 300 | 10.5 |
| 14" | 350 | 13.3 |
| 16" | 400 | 17.3 |
DIN
| Size(L) | Diameter(ΦD) | |
| Inch | mm | mm |
| 4" | 100 | 3.8 |
| 6" | 150 | 5.8 |
| 8" | 200 | 7.3 |
| 10" | 250 | 9.3 |
| 12" | 300 | 11.8 |
| 14" | 350 | 14.8 |
Premium Quality for Professional Use
Our Round Files, made from T12 high-carbon tool steel (1095, Cr6, 130Cr2, HRC 60-65), offer exceptional durability and precision for industrial applications.
1. Meets GB 5803-5815, GB/T 806, GGG-F-325b, DIN 6261-7285 standards
2. Sharp, wear-resistant, and built for heavy-duty use
3. Ideal for metalworking, tool & die making, automotive, and aerospace industries
Why Choose Our Round Files?
1. Ideal for Circular & Concave Surfaces – Perfect for shaping holes & curved edges
2. Industrial-Grade Steel – Tough and wear-resistant for long-term use
3. Anti-Corrosion Finish – Sandblasted surface prevents oxidation
Applications & Safety
1. Used in: Metalworking, aerospace, automotive, woodworking
2. Handle Installation: Ensure ≥20KG tension for safety
3. Storage: Keep dry & clean after use
Bulk Orders & Custom Solutions Available
We offer wholesale pricing, OEM customization, and fast delivery.
Contact us today for a quote!
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