Combined Drill and Tap Bit Set
This combined drill and tap bit set is designed for drilling and tapping in a single operation. It is constructed from high-speed steel (HSS) and suitable for use in a range of materials, including aluminum, steel, and plastic.




Technical Specifications
Overview
Efficient One-Step Drilling and Tapping
This combined drill and tap bit set is engineered for high-efficiency machine use, allowing for drilling and tapping in a single operation. Constructed from premium High-Speed Steel (HSS), these bits are designed for durability and a long service life across various materials including aluminum, steel, and plastic. The self-centering tip ensures precise hole starting, while the hexagonal shank provides a secure, non-slip grip in power tools.
Key Features
Core Specifications
Technical Details
- Material
- High-Speed Steel (HSS)
- Shank Type
- 1/4 Hexagon Shank
- Suitable Materials
- AluminumSteelPlastic
Size Chart
Detailed Metric Dimensions
| Size | Pitch (mm) | Drill Length (mm) | Thread Length (mm) | Total Length (mm) |
|---|---|---|---|---|
| M3 | 0.5 | 8 | 15 | 65 |
| M4 | 0.7 | 9 | 15 | 65 |
| M5 | 0.8 | 9 | 18 | 67 |
| M6 | 1 | 9 | 20 | 67 |
| M8 | 1.25 | 11 | 21 | 69 |
| M10 | 1.5 | 13 | 23 | 70 |
Usage Guidelines
Operational Requirements
- Designed for machine use only
- Manual hand-tool use is prohibited
- Ensure secure fit in 1/4 inch hex drivers
- Optimized for efficient chip removal via integrated flutes



