High Cost Performance Carbide Drill with Internal Coolant Holes for Steel
Product Description
Super Raw Material
| HRC 45 | HRC 55 | HRC 60 | HRC 65 |
| YG10X | YL10.2&WF25 | Germany K44&K40 | Sandvik H10F |
| Grain size 0.7 μm,Co10%,Flexural strength 3320N/mm² | Grain size 0.6 μm,Co10%,Flexural strength 4000N/mm² | Grain size 0.5 μm,Co12%,Flexural strength 4300N/mm² | Grain size 0.5 μm,Co10%,Flexural strength 3320N/mm² |
| Coating | Hardness HV | Thickness μm | 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 | Bronze |
| AlTiSiN | 4000 | 3 | 0.4 | 1200 | Blue |
| TiN | 2500 | 2-3 | 0.5 | 600 | Gold |
| D1 | D2 | L1 | L2 | L3 | L4 | Coolant | |
| 4.00 | 6 | 74 | 36 | 29 | 36 | With/Without Inner Coolant | |
| 4.50-6.00 | 6 | 82 | 44 | 35 | 36 | With/Without Inner Coolant | |
| 6.50-8.00 | 8 | 91 | 53 | 43 | 36 | With/Without Inner Coolant | |
| 8.50-10.00 | 10 | 103 | 61 | 49 | 40 | With/Without Inner Coolant | |
| 10.50-12.00 | 12 | 118 | 71 | 56 | 45 | With/Without Inner Coolant | |
| 12.50-14.00 | 14 | 124 | 77 | 60 | 45 | With/Without Inner Coolant | |
| 14.50-16.00 | 16 | 133 | 83 | 63 | 48 | With/Without Inner Coolant | |
| 16.50-18.00 | 18 | 143 | 93 | 71 | 48 | With/Without Inner Coolant | |
| 18.50-20.00 | 20 | 153 | 101 | 77 | 50 | With/Without Inner Coolant | |
Why choose us
1.Super resistance to oxidation of the coating
2.Comparison on abrasion of the top cutting edge after processing 60m
3.Comparison on abrasion of the side cutting edge after processing 60m
Who we are
Packing and delivery
Product Categories : Carbide Twist Drill Bit
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