Description
Heavy Duty Flightless Cutter Heads
Mills Machine Company’s flightless cutter heads were created primarily for environmental drillers on the West Coast and are rapidly becoming popular in other parts of the country. These bits feature a stronger body design and feature longer cutter block life. The flightless design efficiently removes cuttings resulting in better penetration and durability. These bits are available with 2 or 3 key design and in any size, style or number of cutters.
Flightless Cutterheads | |||
| Size Quantity and Type of Cutter | Part Number | Lbs/Kgs | |
| 3 1/4 2 key Auger Cutterhead – Flightless Bullet – 4C20B | ACH314272C20B-4 | 12/5.44 | |
| 3 1/4 HD 2 keyAuger Cutterhead – Flightless Bullet – 4C20B | ACH314272HDC20B-4 | 14/6.35 | |
| 3 1/4 HD 2 key Auger Cutterhead – Flightless 5T – 4C5TB | ACH314272HDC5T-4 | 15/6.80 | |
| 4 1/4 HD 2 key Auger Cutterhead – Flightless Bullet- 5C20B | ACH414272HDC20B-5 | 17/7.71 | |
| 4 1/4 2 key Auger Cutterhead – Flightless Bullet- 6C20B | ACH414272C20B-6 | 18/8.16 | |
| 4 1/4 HD 2 key Auger Cutterhead – Flightless Bullet – 6C20B | ACH414272HDC20B-6 | 18/8.16 | |
| 4 1/4 HD 2 key Auger Cutterhead – Flightless Bullet – 4C87B | ACH414272HDC87B-4 | 16/7.25 | |
| 4 1/4 HD 2 key Auger Cutterhead – Flightless Bullet HD Blocks- 4C20BHD | ACH414272HDC20BHD-4 | 18/8.16 | |
| 4 1/4 HD 2 key Auger Cutterhead – Flightless 5T – 4C5TB | ACH414272HDC5T-4 | 18/8.16 | |
| 6 1/4 HD 2 key Auger Cutterhead – Flightless Bullet – 8C20B | ACH614272HDC20B-8 | 29/13.15 | |
| 6 1/4 HD 2 key Auger Cutterhead – Flightless Bullet HD Blocks- 8C20BHD | ACH614272HDC20BHD-8 | 31/14.06 |