Factory Direct Sale 1-13 mm Straight-Shank Twist Drill Bit Set Titanium-Coated High-Speed Steel for Drilling and Hardware Tools
Price varies depending on material, logo, quantity and customization requirements.
Introduction
| use | Small hardware, Heavy machinery, Steel structures, Auto repair | drill type | Twist Drill Bit |
| Shank Diameter | 1.0-13.0 mm (varies by model / drill bit diameter) | Chuck type | Three-jaw chuck |
| Total Length | 65-120mm(2.56-4.72in) | finish | Gold |
| customized support | OBM, ODM, OEM | Shank Type | Straight handle |
| Material | High-Speed Steel | Set Specifications | 13-piece / 19-piece / 25-piece |
| Processing | Double-ground, Heat-treated (62-64 HRC) | Grinding Process | Dual-grinding |
| Heat Treatment Hardness | 62 - 64 HRC (Industrial-grade heat-treated hardening) | Coating Properties | TiN-based gold-plated coating |
| Helical Flute Design | 30° helical flutes | Storage Case Protection | IP54 dust and water resistance (Certified for 1.5m drop tests) |
| Dimensional Accuracy | ±0.02mm (Precision grinding tolerance control) | Suitable Materials | Stainless steel, aluminum, carbon steel, PCB boards |
We are China Loong Drill Bits Co., Ltd., a professional manufacturer and supplier specializing in Drill Bits. We have brought together and coordinated resources across the Drill Bits supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.
Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:
- Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
- Strict quality control covering material selection, processing, surface finishing, and final packaging;
- Variety of products and specifications to meet diverse project requirements and application scenarios;
- OEM & customization support based on drawings, samples, or specific technical requirements;
- Flexible packaging solutions to ensure safe handling and transportation of products;
- Continuous improvement in products and services to better support customers in different markets.
If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.