
Lotus FDD 38V Hammer

Design Highlights
- Hammer to Drill a hole of dia 200 – 305 mm (7 7/8”–12”).
- Lotus_FDD38V is general purpose hammer suitable for a wide range of air pressures. This hammer is suitable for use with overburden systems.
- DHD380 bit has a strong robust design with foot valve to withstand heavy duty application.
- Lotus_FDD38V Hammer maximizes energy output and reduces service requirements.
- Wear sleeve is reversible.
- Two 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
17DRIVER SUB 1 NOSize | NAME OF ITEM | QTY |
1 | TOP SUB (4 ½ API REG PIN) | 1 NO |
2 | O RING (FOR T/S BOTTOM SIDE) | 1 NO |
3 | O RING (FOR T/S TOP SIDE) | 1 NO |
4 | TOP & DRIVE SUB SPACER’S | 2 NO |
5 | SPRING | 1 NO |
6 | NYLON BUSH | 1 NO |
7 | CHECK VALVE | 1 NO |
8 | O RING FOR NRV SEAT | 1 NO |
9 | NON RETURN VALVE SEAT | 2 NO |
10 | RETAINER RING FOR T/S | 1 NO |
11 | PISTON | 1 NO |
12 | WEAR SLEEVE | 1 NO |
13 | PISTON RETAINER RING | 1 NO |
14 | GUIDE BUSH | 2 NO |
15 | O FOR BIT RETAINER RING | 1 NO |
16 | BIT RETAINER RING | 1 NO |
SERVICE KIT S.NO 2,3, 5, 8 & 17 | 1 SET | |
HAMMER ASSEMBLY | 1 NO |

Hammer Specification
S. NO | DESCRIPTION | UNIT | DIMENSIONS |
1 | HAMMER LENGTH W/O BIT | MM | 1251.0 |
2 | HAMMER OUTSIDE DIA | MM | 182.0 |
3 | HAMMER WEIGHT | KG | 181.0 |
4 | CYLINDER BORE | MM | 145.0 |
5 | PISTON STROKE | MM | 70.0 (approx.) |
6 | PISTON WEIGHT | KG | 50.0 |
7 | HOLE SIZES | MM | 200 – 305 |
8 | WRENCH SIZE A/F | MM | A/F 155.50 / W-68.60 |
9 | SUITABLE SHANK | — | DHD380 (With foot valve) |