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| Customization: | Available |
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| Customized: | Customized |
| Type: | Twist Drill Bit |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
| ISO application area | K15-K30 | ||
| Material | Tungsten carbide,Tungsten Cobalt Alloy, | ||
| Precision | 0.005-0.01mm | ||
| Coating | AlTiN, TiAlN, TiAISI,TiSiN, TiN, DLC,Nano, Diamond | ||
| Chemical Composition | Wc+other 89.5-90.5 Co 9.5-10.5 | ||
| HRC | HRC45 HRC55 HRC58 HRC60 HRC65 | ||
| Suitable For | cast iron, carbon steel, mould steel, stainless steel, titanium alloy, tool steel, and heat-treated steel | ||
| Solid Carbide Twist Drill-3D | ||||||
| d1 | d2 | L1 | L2 | L3 | L4 | Coolant solution |
| 3.00-3.70 | 6 | 62 | 20 | 14 | 36 | inner Coolant |
| 4.00-4.65 | 6 | 66 | 24 | 17 | 36 | inner Coolant |
| 4.80-6.00 | 6 | 66 | 28 | 20 | 36 | inner Coolant |
| 6.10-7.00 | 8 | 79 | 34 | 24 | 36 | inner Coolant |
| 7.10-8.00 | 8 | 79 | 41 | 29 | 36 | inner Coolant |
| 8.10-10.00 | 10 | 89 | 47 | 35 | 40 | inner Coolant |
| 10.25-12.00 | 12 | 102 | 55 | 40 | 45 | inner Coolant |
| 12.25-14.00 | 14 | 107 | 60 | 43 | 45 | inner Coolant |
| 14.25-16.00 | 16 | 115 | 65 | 45 | 48 | inner Coolant |
| 16.50-18.00 | 18 | 123 | 73 | 51 | 48 | inner Coolant |
| 18.50-20.00 | 20 | 131 | 79 | 55 | 50 | inner Coolant |
| 3.00-3.70 | 6 | 62 | 20 | 14 | 36 | Outer Coolant |
| 4.00-4.65 | 6 | 66 | 24 | 17 | 36 | Outer Coolant |
| 4.80-6.00 | 6 | 66 | 28 | 20 | 36 | Outer Coolant |
| 6.10-7.00 | 8 | 79 | 34 | 24 | 36 | Outer Coolant |
| 7.10-8.00 | 8 | 79 | 41 | 29 | 36 | Outer Coolant |
| 8.10-10.00 | 10 | 89 | 47 | 35 | 40 | Outer Coolant |
| 10.25-12.00 | 12 | 102 | 55 | 40 | 45 | Outer Coolant |
| 12.25-14.00 | 14 | 107 | 60 | 43 | 45 | Outer Coolant |
| 14.25-16.00 | 16 | 115 | 65 | 45 | 48 | Outer Coolant |
| 16.50-18.00 | 18 | 123 | 73 | 51 | 48 | Outer Coolant |
| 18.50-20.00 | 20 | 131 | 79 | 55 | 50 | Outer Coolant |
| 20.50-25.00 | 25 | 140 | 85 | 60 | 56 | Outer Coolant |




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Quality Assurance |
OEM&ODM |
Our Service |
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Strict quality process covers every step. |
Custom cutting tools can be designed. |
24 hours on line support can be provided. |

EXHIBITION
FAQ
1.Delivery Time: 5-10 Working days
2.Payment Terms:T/T, Paypal, Western Union.
3.Shipping Terms: DHL. FEDEX, UPS, TNT, EMS.etc. according to your demand.
4.Main Markets: Germany,Italy, France,Spain, Russia, Australia, Brazil, Canada,USA, Mexico, Czech, Poland, Turkey and so on.
5.Product Positioning: Aitefasi quality is similar as Germany advanced brand quality.
High Quality with Reasonable Price. Welcome send inquiry to us.