Solid carbide straight flute drill reamer 4 × D
合金直槽鉆鉸刀4×D.jpg)
Advantage: for gray iron, ductile iron crystal, high-silicon aluminum alloy, copper alloy and other short-chipping materials, for long chipping materials must be used in the cold forced chip, strong-centering ability, stable and excellent dimensional accuracy surface quality, suitable for high-speed high-feed cutting in the housing hole machining automotive engine gearbox is an essential work tool.
| Specifications (inner cooling) | Blade length | Shank Diameter | Handle length | Overall Length |
| 3.5-4.0 | 18 | 4 | 28 | 58 |
| 4.1-6.0 | 21 | 6 | 36 | 74 |
| 6.1-8.0 | 41 | 8 | 36 | 91 |
| 8.1-10.0 | 46 | 10 | 40 | 103 |
| 10.1-12.0 | 53 | 12 | 45 | 118 |
| 12.1-14.0 | 55 | 14 | 45 | 124 |
| 14.1-16.0 | 59 | 16 | 48 | 133 |
