Products Description

Specifically designed for large-diameter borehole construction, they feature a robust structure, super strong impact force, and excellent stability in harsh working conditions. With optimized weight and volume, these hammers are compatible with large-sized drilling rigs, serving as key equipment in deep foundation engineering, large-diameter water well drilling, large-scale mining operations, and heavy-duty geotechnical exploration. This specification is highly praised for its high efficiency, reliability, and durability in high-intensity drilling projects.

Parameters

Mainstream global models of 6 inch DTH hammers with mature technology and wide market recognition:

DHD360	Features stable performance and strong impact force, widely used in large-scale mining and deep water well drilling.
COP64	Offers high drilling efficiency and energy-saving, suitable for extra-hard rock and deep hole construction in large-scale foundation engineering.
SD6	Cost-effective with reliable quality, popular in heavy-duty civil engineering and mining projects.
MISSION60	Possesses excellent adaptability to complex strata, ideal for high-intensity and harsh construction environments.

DTH Bit for 6" DTH hammer	Bit Dia.		No.	Gauge	Front	Weight
	(mm)		Air Holes	Buttons	Buttons	(Kg)
	mm	inch
DHD360	152	6"	2	8×φ16	8×φ16	26
	165	6 1/2"	2	8×φ18	8×φ16	28
	178	7"	2	8×φ18	8×φ18	30.5
	190	7 1/2"	3	9×φ18	9×φ16	34
	203	8"	3	9×φ18	9×φ18	36
SD6	152	6"	2	8×φ16	8×φ16	26
	165	6 1/2"	2	8×φ18	8×φ16	28
	178	7"	2	8×φ18	8×φ18	31
	190	7 1/2"	3	9×φ18	9×φ16	34
	203	8"	3	9×φ18	9×φ18	36
QL60	152	6"	2	8×φ16	8×φ16	25
	165	6 1/2"	2	8×φ18	8×φ16	27
	178	7"	2	8×φ18	8×φ18	28.5
	190	7 1/2"	3	9×φ18	9×φ16	31
	203	8"	3	9×φ18	9×φ18	33
Mission60	152	6"	2	8×φ16	8×φ16	22
	165	6 1/2"	2	8×φ18	8×φ16	23
	178	7"	2	8×φ18	8×φ18	24
	190	7 1/2"	3	9×φ18	9×φ16	25
	203	8"	3	9×φ18	9×φ18	28

DHD 360-DTH Hammer

Ref.	Parts	Weight	Ref.	Parts	Weight
1	Top Sub	20.3 Kg	9	Piston Case	37.2 Kg
2	"O"Ring	0.02 Kg	10	Guided Sleeve	2.5 Kg
3	Check Valve	0.8 Kg	11	Retainer Ring	0.6 Kg
4	Spring	0.05 Kg	12	"O"Ring	0.02 Kg
5	rubber Buﬀer	0.3 Kg	13	Drive Chuck	6 Kg
6	Valve Sea	5 Kg	14	Drill Bit
7	Inner Cylinder	4 Kg
8	Piston	23.5 Kg

DHD360 Technical parameters
Length(Without Bit)	Weight	External diameter	Connection Thread	Bit Shank	Hole Range
1063mm	100.5Kg	Φ142mm	API3 1/2"REG	DHD360	Φ150-Φ190mm
Working pressure		Recommended rotation speed		Air Consumption
Working pressure		Recommended rotation speed		1.0Mpa	1.8Mpa
1.0-2.5Mpa		30-60 r/min		9m³/min	20m³/min

QL60-DTH Hammer

Ref.	Parts	Weight	Ref.	Parts	Weight
1	Top Sub	23 Kg	9	Piston Case	39 Kg
2	"O"Ring	0.02 Kg	10	Guided Sleeve	1.1 Kg
3	Check Valve	0.08 Kg	11	Retainer Ring	0.6 Kg
4	Spring	0.05 Kg	12	"O"Ring	0.02 Kg
5	rubber Buﬀer	0.3 Kg	13	Drive Chuck	6.3 Kg
6	Valve Sea	6.2 Kg	14	Drill Bit
7	Inner Cylinder	5 Kg
8	Piston	23.5 Kg

QL60 Technical parameters
Length(Without Bit)	Weight	External diameter	Connection Thread	Bit Shank	Hole Range
1211mm	100.5Kg	Φ126mm	API3 1/2"REG	QL60	Φ158-Φ190mm
Working pressure		Recommended rotation speed		Air Consumption
Working pressure		Recommended rotation speed		1.0Mpa	1.8Mpa
1.0-2.5Mpa		30-60 r/min		9m³/min	20m³/min

M60-DTH Hammer

Ref.	Parts	Weight	Ref.	Parts	Weight
1	Top Sub	20 kg	9	Guided Sleeve	4.8 kg
2	"O"Ring	0.01 Kg	10	"O"Ring	0.01 Kg
3	Check Valve	0.56 Kg	11	Retainer Ring	0.9 kg
4	Spring	0.06 Kg	12	"O"Ring	0.01 Kg
5	Valve Seat	3.5 kg	13	Drive Chuck	5.8 kg
6	Inner Cylinder	3.9 kg	14	Drill Bit
7	Piston	21.5 kg
8	Piston Case	30.5 kg

M60 Technical parameters
Length(Without Bit)	Weight	External diameter	Connection Thread	Bit Shank	Hole Range
1129mmmm	91.5Kg	Φ144mm	API3 1/2"REG	M60	Φ152-Φ203mm
Working pressure		Recommended rotation speed		Air Consumption
Working pressure		Recommended rotation speed		1.0Mpa	1.8Mpa
1.0-2.8Mpa		30-60 r/min		8m³/min	17m³/min