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API 4 1/2'' REG 8'' DHD380 DTH Hammer For Surface Mining

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Changsha Sollroc Engineering Equipments Co., Ltd

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API 4 1/2'' REG 8'' DHD380 DTH Hammer For Surface Mining

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Brand Name :	SOLLROC
Model Number :	DHD380
Certification :	SGS
Price :	500
Payment Terms :	T/T,
Supply Ability :	10000pcs/month
Delivery Time :	22-28 working days

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Company Profile

API 4 1/2'' REG 8'' DHD380 DTH Hammer For Surface Mining

Lower Oil Consumption 8'' DHD380 DTH Hammer For Surface Mining

Product introduction:

DTH Hammer is one of key components for drilling equipment. They are powered by compressed air medium and supply continuous impact for bottom rocks with down-the-hole bit. They are widely used in ore drilling, water well drilling, Geothermal drilling, foundation drilling and oil drilling.
Based on our advanced design, latest manufacturing process and mature experience, Sollroc provides the full range of (2"-18") DTH hammers. For superior quality, high performance and economic operation, our hammers enjoy the great reputations from different countries, such as Australia, France, South Africa, Chile, Mexico, Russia, Kazakhstan and so on.

DHD380 DTH hammer overview:

shank	DHD380
Length(less bit)	1492mm
External diameter	180mm
Top sub thread	API 4 1/2'' REG
Weight(less bit)	188kg
Hole range	195mm-254mm
Working pressure	1.0-2. 5Mpa(145-362.5psi)
Impact rate at 1.7Mpa	20Hz
Recommended rotation speed	20-45rpm

Other size DTH hammer specification

Model	Shank Type	Thread Connection	Rec. Hole Size	Out. Diameter	Working Pressure
Model	Shank Type	Thread Connection	(mm)	(mm)	(Mpa)
3" Hammer	BR3	API 2 3/8 Reg Pin	90-110	82	0.7-1.5
	DHD3.5	API 2 3/8 Reg Pin	90-110	82	1.0-1.5
	COP32	API 2 3/8 Reg Pin	90-110	82	1.0-1.5
	IR3.5	API 2 3/8 Reg Pin	90-115	82	1.0-1.5
4" Hammer	DHD340	API 2 3/8 Reg Box	110-135	99	1.0-2.5
	COP44	API 2 3/8 Reg Pin	110-135	99	1.0-2.5
	QL40	API 2 3/8 Reg Pin	110-135	99	1.0-2.5
	SD4	API 2 3/8 Reg Pin	110-135	99	1.0-2.5
	HM4	API 2 3/8 Reg Pin	110-135	99	1.0-2.5
5" Hammer	COP54 DHD350R	API 2 3/8 Reg Pin API 3 1/2 Reg Pin	135-155	125	1.0-2.5
	HD55C DHD350Q	API 2 3/8 Reg Pin API 3 1/2 Reg Pin	135-155	125	1.0-2.5
	HM5	API 2 3/8 Reg Pin API 3 1/2 Reg Pin	135-155	125	1.0-2.5
	SD5	API 3 1/2 Reg Pin	135-155	125	1.0-2.5
	QL50	API 2 3/8 Reg Pin API 3 1/2 Reg Pin	135-155	125	1.0-2.5
6" Hammer	COP64 DHD360	API 3 1/2 Reg Pin	155-190	142	1.0-2.5
	HM6	API 3 1/2 Reg Pin	155-203	146	1.3-2.5
	SD6	API 3 1/2 Reg Pin	155-190	142	1.0-2.5
	QL60	API 3 1/2 Reg Pin	155-190	142	1.3-2.5
8" Hammer	COP84 DHD380	API 3 1/2 Reg Pin	195-254	180	1.5-2.5
	SD8	API 4 1/2 Reg Pin	195-254	180	1.5-3.0
	QL80	API 4 1/2 Reg Pin	195-254	180	1.5-3.0
10" Hammer	SD10	API 4 1/2 Reg Pin API 6 5/8 Reg Pin	254-311	226	2.0-3.5
10" Hammer	NUMA100	API 6 5/8 Reg Pin	254-311	226	2.0-3.5
12" Hammer	DHD1120	API 6 5/8 Reg Pin	305-445	275	2.0-3.5
	SD12	API 6 5/8 Reg Pin	305-445	275	2.0-3.5
	NUMA120	API 6 5/8 Reg Pin	305-445	275	2.0-3.5
	NUMA125	API 6 5/8 Reg Pin	305-445	275	2.0-3.5

Product advantages:

1.Valveless air distribution. More reliable.
2.Simple design of the piston. Long life span.
3.More efficient energy transfer, faster drilling speed, lower air and oil consumption.
4.Fewer internal parts, simple structure, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the stop sub, the drive chuck and the external cylinder are connected by multiple steps thread.

Application:

It is widely used in open pit mining, tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc.

Structure picture:

Company information:

Sollroc is the professional DTH drill bits supplier! After many years experience we provide the worldwide customers ideal DTH drill bits. Optimized designs improve the drilling efficiency. And automatic production line ensure the quality stability of product. Strict requirements of heat-treatment guarantee durability of the bits.

Detailed photo:

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