
High Speed Steel Cobalt Containing Straight Shank Twist Drill
1. Made of cobalt-containing high-speed steel, it has excellent hardness and heat resistance. It is specially designed for high-strength metals such as stainless steel and iron plates, making it easy to achieve efficient drilling and reduce chipping and wear.
2. It is not only suitable for all kinds of metal processing, but also for wood drilling. One drill can be used for multiple purposes to meet a variety of processing scenarios. It is suitable for maintenance, electricians, construction and other industries.
3. The standard straight handle structure can be adapted to a variety of equipment such as bench drills, electric drills, and hand drills. It has stable clamping and easy operation, which improves drilling accuracy and safety.
| Drill Diameter | Working Length | Drill Shank Diameter | Drill Bit Length | Single Weight |
| 1.0mm | 12mm | 1.0mm | 33mm | |
| 1.5mm | 20mm | 1.5mm | 40mm | 1g |
| 2.0mm | 24mm | 2.0mm | 49mm | 1g |
| 2.5mm | 30mm | 2.5mm | 57mm | 2g |
| 2.8mm | 38mm | 2.8mm | 65mm | 2g |
| 3.0mm | 39mm | 3.0mm | 62mm | 3g |
| 3.2mm | 39mm | 3.2mm | 63mm | 3g |
| 3.5mm | 41mm | 3.5mm | 66mm | 4g |
| 4.0mm | 48mm | 4.0mm | 74mm | 5g |
| 4.2mm | 49mm | 4.2mm | 74mm | 5g |
| 4.5mm | 52mm | 4.5mm | 79mm | 7g |
| 5.0mm | 53mm | 5.0mm | 84mm | 9g |






