3 – SPINDLE (LINEAR) BORING HEAD
3 – spindle (linear) boring head is also known as a straight 3-bit drill, 2-bit adjustable drill head.
– It carries Longer brand from Taiwan.
– Designed meticulously, produced on modern technology lines, quality assurance.
– The design with 3 drill bits allows to drill 3 at the same time. Called where to drill 3 bits because the drill head is attached to 3 drill bits respectively.
– Considered as the connecting part that helps link the drill and drill together.
– Ensuring usability on most drilling machines on the market today.
– Distance betsween adjustable shafts: Ø14 – Ø200mm. The largest drilling capacity for wood: Ø10 – Ø50mm.
– The drill runs at high speed up to 5500RPM.
| Model | 3C-W14 | 3C-W20 | 3C-W22 | 3C-W26 | 3C-W36 | |
| Dimensions (mm) | A | 10 | 10 | 10 | 10 | 10 |
| B | 10 | 10 | 10 | 10 | 10 | |
| C | 28 | 28 | 28 | 28 | 28 | |
| D | 55 | 55 | 55 | 55 | 72 | |
| E | 121 | 150 | 162 | 191 | 251 | |
| F | 58 | 71 | 76 | 92 | 114 | |
| G | 3 | 3 | 3 | 3 | 3 | |
| H | 18 | 17 | 17 | 15 | 15 | |
| L1 | 107 | 112 | 114 | 119 | 141 | |
| L | 132 | 137 | 139 | 144 | 166 | |
| X | 40 | 46 | 46 | 46 | 70.7 | |
| Y | 73.8 | 88.8 | 88.8 | 88.8 | 70.7 | |
| Spacing (mm) | Min. | 14 | 20 | 22 | 26 | 36 |
| Max. | 88 | 112 | 128 | 152 | 200 | |
| Max. capacity | Ø 10 | Ø 15 | Ø 20 | Ø 30 | Ø 50 | |
| Thread | m8x1.25 m10x1.5 | m8x1.25 m10x1.5 | m8x1.25 m10x1.5 | m8x .25 m10x1.5 | m8x1.25 m10x1.5 | |
| Weight | (Kg) | 2.7 | 4 | 4.8 | 7.2 | 12.8 |
Some notes when selecting – remove the drill head longer
– Ensure the drill head is genuine, has a clear source of origin angle.
– The drill head is correct, no cracks, …
– The ability to remove the drill bit is to install the planer easily.
– When installing, it is necessary to ensure the stability, not be loose or shake the drill bit when machining.
– Ensuring the standard rotation speed, good power transmission to ensure that the mortise is beautiful, fast, and standard.
