
Lotus BR3 Hammer

Design Highlights
- Hammer to Drill a hole of dia 85 – 95 mm (3 3/8”– 3 3/4”).
- Lotus _BR3 a valve type hammer designed for high performance at low operating air pressures
- Lotus _BR3 bit has a strong robust design to withstand heavy duty application and it does not use foot valves which reduces the possibility of hammer failure
- Lotus _BR3 Hammer maximizes energy output and reduces service requirements.
- Wear sleeve is not reversible.
- Three Start threads on Top sub and Drive sub ensure easy coupling/uncoupling of hammer.
- All critical internal components are heat treated under strict control to maximize tool longevity.
- An overall cost-effective and user friendly tool for use in the most demanding conditions.
Application: Construction & Quarry
Size | NAME OF ITEM | QTY |
1 | TOP SUB (2 3/8” API REG PIN) | 1 NO |
TOP SUB (2 3/8 API REG BOX) | 1 NO | |
2 | O RING FOR TOP SUB | 1 NO |
3 | CHECK VALVE | 1 NO |
4 | SPRING | 1 NO |
5 | TOP VALVE | 1 NO |
6 | VALVE CENTRALIZER | 1 NO |
7 | DISC VALVE | 1 NO |
8 | BOTTOM VALVE | 1 NO |
9 | PISTON | 1 NO |
10 | LINER | 1 NO |
11 | GUIDE BUSH | 1 NO |
12 | WEAR SLEEVE | 1 NO |
13 | SPLIT BUSH | 1 NO |
14 | BIT RETAINER RING | 1 NO |
15 | O RING FOR BIT RETAINER RING | 1 NO |
16 | DRIVER SUB | 1 NO |
SERVICE KIT S.NO 2, 4 & 15 | 1 SET | |
HAMMER ASSEMBLY | 1 NO | |
HAMMER ASSEMBLY | 1 NO |

Hammer Specification
S. NO | DESCRIPTION | UNIT | DIMENSIONS |
1 | HAMMER LENGTH W/O BIT | MM | 769.0 |
2 | HAMMER OUTSIDE DIA | MM | 78.0 |
3 | HAMMER WEIGHT | KG | 24.0 |
4 | CYLINDER BORE | MM | 50.8 |
5 | PISTON STROKE | MM | 82.0 (approx.) |
6 | PISTON WEIGHT | KG | 2.80 |
7 | HOLE SIZES | MM | 85-95 |
8 | WRENCH SIZE A/F | MM | A/F 57.0 / W-50.0 |
9 | SUITABLE SHANK | — | BR3 |