Reaming Drill Bits from Brighttop Global Co., Ltd are engineered for enlarging existing drill holes in mining, tunneling, quarrying, and construction applications. Manufactured with high-quality alloy steel and tungsten carbide buttons, these reaming bits deliver stable drilling performance, excellent wear resistance, and reliable hole enlargement results across various rock formations.
| S/N | Bit Dia. (mm) | Thread | Gauge Button Size | Front Button Size | Gauge Button Angle | Flushing Holes Side (pcs) | Flushing Holes Front (pcs) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 1 | 76 | R28 | 9 × 12 | 2 × 10 1 × 9 | 35° | 3 | 1 | 1.8 |
| 2 | 76 | R28 | 9 × 12 | 3 × 10 | 35° | 3 | 1 | 2 |
| 3 | 76 | R32 | 9 × 12 | 3 × 10 | 35° | 3 | 1 | 1.8 |
| 4 | 76 | R32 | 9 × 12 | 3 × 10 | 35° | 3 | 1 | 2 |
| 5 | 89 | R32 | 12 × 12 | 3 × 10 | 35° | 2 | 1 | 2.5 |
| 6 | 89 | R32 | 12 × 12 | 3 × 10 | 35° | 2 | 1 | 2.7 |
| 7 | 102 | R32 | 12 × 13 | 2 × 13 1 × 11 | 35° | 2 | 1 | 3.5 |
| 8 | 102 | R32 | 14 × 12 | 4 × 8 | 35° | 2 | 1 | 3.8 |
| 9 | 127 | T38 | 14 × 14 | 2 × 12 1 × 11 | 35° | 2 | 1 | 4.8 |
| 10 | 127 | T38 | 14 × 14 | 3 × 10 | 35° | 2 | 1 | 5.3 |
Wood Box + Pallet