Point Angle 90 Degree Spot Drill Bit for Machining Hole Drill Chamfering Tools
Point Angle 90 Degree Spot Drill Bit for Machining Hole Drill Chamfering Tools
Raw Material
| HRC | Grade |
Density g/cm3 |
Hardness HRA |
Co Content % |
Grain Size um |
Bending Strength N/mm2 |
| 45 HRC | YG10X | 14.5 | 91.5 | 10 | 0.8 | 2800 |
| 55 HRC | ZK30UF | 14.5 | 92.0 | 10 | 0.6 | 3000 |
| 65 HRC | GU25UF | 14.5 | 93.0 | 12 | 0.4 | 4000 |
Good coating can improve tools life and production effiency, as well as slove the cutting problems.
| Coatings |
Hardness HV |
Thickness um |
Friction Coefficient | Oxidation Temp | Color |
| AlTiN | 3500 | 2.5-3 | 0.3 | 900 | Black |
| TiAlN | 2800 | 2.5-3 | 0.3 | 900 | Violet |
| TiSiN | 3600 | 3 | 0.45 | 1000 | Copper |
| AlTiSiN | 400 | 3 | 0.4 | 1200 | Blue |
| TiN | 2500 | 2-3 | 0.5 | 600 | Gold |
1.Product name:Solide Carbide Spot Drill Bit
2.Standard Size:,4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm
3.High Precision,Good Surface & Performace
Features
1.long life
The combination of a new edge and a special coating achieves long life in a variety of materials being machined
2.Stable chip discharge
New groove shape, a significant increase in chip processing and chip performance
3. Cutting noise, cutting resistance and stability
In the small machine tools to achieve the stability of copper hole processing
4. Environmental countermeasures
MQL (minimum amount of lubrication) processing method can be applied
Packing Details:
1.One plastic pipe packs one piece,10 pieces per proup
2.Use air bubble to encast the plastic pipes.
3.Put goods encased with air bubble paper into the carton box.
Deliverry Details:
1.No need coating & in stock---1 day after we get the payment.
2.Need coating & in stock---1~3 days after we get the payment.
3.Sample of nonstandard ---7~10 days after we get the payment.
4.Large quantity order---more or less 20 days
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.