Hammer

4.75" HD45 Hammer

Hole Diameter 120 – 140 mm (4 3/4"–51/2")

Operating Pressure 10 – 30 bar (145 – 435 psi)

Shank Type FDS Thread

Key Features

Hammer to Drill a hole of dia120- 140 mm (4 3/4"–51/2").

FDS47DI is a valve less type hammer designed for high performance at low operating air pressures.

D4 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.

FDS47DI Hammer maximizes energy output and reduces service requirements.

Wear Sleeve is not reversible.

Single Start threads on Top sub and Three start thread on 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.

Applications

Blast Hole Water Well Geotechnical

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Technical Details

Specifications & Performance

HAMMER SPECIFICATION

Sl.No.	Description	Unit	Dimension
1	HAMMER LENGTH W/O BIT	mm	980.0
2	HAMMER OUTSIDE DIA	mm	107.0
3	HAMMER WEIGHT	kg	44.5
4	CYLINDER BORE	mm	88.0
5	PISTON STROKE	mm	90.0 (approx.)
6	PISTON WEIGHT	kg	9.40
7	HOLE SIZES	mm	120-140
8	WRENCH SIZE A/F	mm	A/ F74.5/ W-40.0 mm
9	SUITABLE SHANK	--	D4

4.75" HD45 HAMMER AIR CONSUMPTION

PSI	150	200	250	300
CFM	230	400	580	730

FDS47DI AIR CONSUMPTION GRAPH

Technical Consultation

Need Expert Technical Advice?

Connect directly with our engineering team to select the optimal drilling tool configuration for your geological conditions.

Direct Engineering Support +91 8374676095

Technical Inquiries [email protected]

Manufacturing Plant Green Hills Colony, Moula-Ali, Hyderabad

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