Brand: HIBOO
Product origin: Jiangsu, China
Delivery time: 7-15 days
Supply capacity: 50,000pcs/month
Straight Shank Tungsten Steel Drill,Helix Angle 30 degree
Design: Spiral flute, right cut, helical cooling hole, cylindrical shank
Material/Coating: Superfine Carbide / Black Nano, Bronze
Application: High feed rate drilling for efficient, economical and high-performance machining of ordinary steel, tool steel, stainless steel and special alloys
| Flute diameter | Flute length | Shank diameter | Handle length | Overall length(mm) |
| Φ3.3-3.7 | 28 | 6 | 28 | 66 |
| Φ3.8-4.0 | 36 | 6 | 28 | 74 |
| Φ4.1-4.5 | 36 | 6 | 36 | 74 |
| Φ4.6-5.0 | 44 | 6 | 36 | 82 |
| Φ5.1-5.5 | 44 | 6 | 36 | 82 |
| Φ5.6-6.0 | 44 | 6 | 36 | 82 |
| Φ6.1-6.5 | 53 | 8 | 36 | 91 |
| Φ6.6-7.0 | 53 | 8 | 36 | 91 |
| Φ7.1-8.5 | 53 | 8 | 36 | 91 |
| Φ7.6-8.0 | 53 | 8 | 36 | 91 |
| Φ8.1-8.5 | 61 | 10 | 40 | 103 |
| Φ8.6-9.0 | 61 | 10 | 40 | 103 |
| Φ9.1-9.5 | 61 | 10 | 40 | 103 |
| Φ9.6-10.0 | 61 | 10 | 40 | 103 |
| Φ10.1-10.5 | 71 | 12 | 45 | 118 |
| Φ10.5-11.0 | 71 | 12 | 45 | 118 |
| Φ11.0-11.5 | 71 | 12 | 45 | 118 |
| Φ10.6-12.0 | 71 | 12 | 45 | 118 |
| Φ12.1-14.0 | 77 | 14 | 45 | 124 |
| Φ14.1-16.0 | 83 | 16 | 48 | 133 |
| Φ16.1-18.0 | 93 | 18 | 48 | 143 |
| Φ18.1-20.0 | 101 | 20 | 50 | 153 |
