Hammer

11" DRT11RK Hammer

Hole Diameter meter 300 – 400 mm (11.80"–15.75")

Operating Pressure 17 – 35 bar (247 – 508 psi)

Shank Type DRT Rock Key Thread

Hammer to Drill a hole of diameter 300- 400 mm (11.80"–15.75").

DRT11R3 is a valve type hammer designed for high performance at low operating air pressures.

RK3 bit has a strong robust design to withstand heavy duty application and it does not use foot valve.

Hammer is available as standard with pin back head thread (6 5/8"API REG PIN).

DRT11R3 Hammer maximizes energy output and reduces service requirements.

Caseis 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.

Open Cut Mining Deep Blast Hole Iron Ore Mining

Technical Details

Specifications & Performance

Sl.No.	Description	Unit	Dimension
1	HAMMER LENGTH W/O BIT	mm	1220.0
2	HAMMER OUTSIDE DIA	mm	240.0
3	HAMMER WEIGHT	kg	305.0
4	CYLINDER BORE	mm	190.0
5	PISTON STROKE	mm	90.0 (approx.)
6	PISTON WEIGHT	kg	73.0
7	HOLE SIZES	mm	300-400
8	WRENCH SIZE A/F	mm	A/ F155/ W60.0 mm
9	TOP SUB THRED CONNECTION	--	65/8" APIREGPIN
10	SUITABLE SHANK	--	RK3

PSI	150	200	250	300	350
CFM	880	1250	1700	2230	2840

Technical Consultation

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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