
Lotus FD_6 Hammer

Design Highlights
- Hammer to Drill a hole of dia 165 – 203 mm (6.5”–8”)
- DM65DI is a valveless type hammer designed for high performance at low operating air pressures.
- D6 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.
- DM65DI Hammer maximizes energy output and reduces service requirements
- Wear Sleeve is reversible.
- Single 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 7/8 API REG PIN) | 1 NO |
2 | CHECK VALVE | 1 NO |
3 | SPRING | 1 NO |
4 | TOP VALVE | 1 NO |
5 | CONTROL TUBE | 1 NO |
6 | CHOKE | 1 NO |
7 | C/TUBE LOCK PIN | 1 NO |
8 | PISTON | 1 NO |
9 | WEAR SLEEVE | 1 NO |
10 | PISTON RET RING | 1 NO |
11 | GUIDE BUSH | 1 NO |
12 | “O” RING FOR GUIDE BUSH | 1 NO |
13 | BIT RETAINER RING | 1 NO |
14 | “O” RING FOR BIT RETAINER RING | 1 NO |
15 | COPPER SHIM | 1 NO |
18 | DRIVER SUB | 1 NO |
SEAL KIT (PRT NO3,6,12,14) | 1 SET | |
HAMMER ASSEMBLY | 1 NO |

Hammer Specification
S. NO | DESCRIPTION | UNIT | DIMENSIONS |
1 | HAMMER LENGTH W/O BIT | MM | 931.0 |
2 | HAMMER OUTSIDE DIA | MM | 148.0 |
3 | HAMMER WEIGHT | KG | 95.0 |
4 | CYLINDER BORE | MM | 90.0 (APPROX.) |
5 | PISTON STROKE | MM | 18.8 |
6 | PISTON WEIGHT | KG | 165-203 |
7 | HOLE SIZES | MM | 90-115 |
8 | WRENCH SIZE A/F | MM | A/F 90.0 /W-40.0 |
9 | SUITABLE SHANK | — | D6 |