Hole-Making Tools
NC Spotting Drill with Chamfer (Rainbow-Alu)
Combines accurate NC spotting and chamfering to reduce tool changes and cycle time.
Product Advantages
Technical Information
| Item | Specification |
|---|---|
| Tool Material | Premium micro-grain solid carbide |
| Geometry | NC spotting point with integrated chamfer geometry |
| Coating | Rainbow coating optimized for non-ferrous metals |
| Recommended Materials | Aluminum, aluminum alloys, copper, brass and other non-ferrous metals |
| Typical Operations | Spot drilling, hole positioning and chamfering |
Published Specifications & Cutting Data
The following values are based on the specifications currently published for this product. Please confirm stock dimensions and machining conditions before ordering.
Reference Specifications
| Cutter Dia. D | Included Angle A | Shank Dia. D2 | Overall Length L2 | Flutes |
|---|---|---|---|---|
| 2 | 60° | 4 | 50 | 2 |
| 2 | 120° | 4 | 50 | 2 |
| 3 | 60° | 4 | 50 | 2 |
| 3 | 90° | 3 | 50 | 2 |
| 3 | 120° | 3 | 50 | 2 |
| 3 | 120° | 4 | 50 | 2 |
| 4 | 60° | 4 | 50 | 2 |
| 4 | 90° | 4 | 50 | 2 |
| 4 | 120° | 4 | 50 | 2 |
| 5 | 90° | 5 | 50 | 2 |
| 6 | 60° | 6 | 50 | 2 |
| 6 | 90° | 6 | 50 | 2 |
| 8 | 90° | 8 | 60 | 2 |
| 10 | 60° | 10 | 75 | 2 |
| 10 | 90° | 10 | 75 | 2 |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed Vc |
|---|---|
| Carbon Steel | 100–160 m/min |
| Alloy Steel | 80–140 m/min |
| Stainless Steel | 50–100 m/min |
| Cast Iron | 100–160 m/min |
Customization & OEM Service
Custom cutting diameters, flute lengths, overall lengths, shank diameters, tool geometry, coatings, laser marking and private-label packaging are available according to your machining requirements.
Get a Quote for Your Cutting Tools
Contact PENGFU TOOLS for product selection, machining recommendations, customized solutions and a competitive quotation.








