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Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

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Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

Name: Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling
Brand: MIROC
Price: 1 USD

Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling product

Brand Name : MIROC

Model Number : Down The Hole Hammer

Certification : API

Place of Origin : Shangdong,China

MOQ : 50 Pieces

Price : negotiation

Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram

Supply Ability : 20000pcs per month

Delivery Time : 10-25days

Packaging Details : Wooden Plate

Material : Tungsten Carbide And High Quality Carbon Steel

Color : Golden

Use : Tunneling, Mining,Quarrying,Construction

Processing Type : CNC milling and proprietary heat treatment process

Type : Down The Hole Hammer

Bit Diameter : 130MM 152MM

Series : DHD,SD,COP,QL

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Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

Describtion

In DTH hammers, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH hammers a nearly constant penetration rate regardless of hole length.

Product name	DTH Hammer
Material	Alloy Steel&Tungsten Carbide
Use	Underground Mining,Water well,Mining,Quarry etc.
Color	Green&Others
Heat treatment	Anneal
Shank series	DHD,COP,MISSION, SD, DHD, BR, QL, BR,CIR etc.
Application	heavy construction,Ore Drilling, mining, oil and gas, quarries
Hole	60-305mm
Size	2/3/4/5/6/7/8/9/10/12/14 inches
Advantage	High Performance and factory price

• Small to medium size drilling diameters
• Works in low pressure range, capable of drilling shallow to medium hole lengths

Specification

DTH hammer type		DHD35	DHD45	SD4	QL4
Length(less bit) mm		930mm	1030	1084	1097
Weight(less bit) kg		25kg	39	40.5	41
External diameter mm		Φ82mm	Φ99	Φ99	Φ99
Bit shank		DHD3.5	COP44 DHD340	SD4	QL40
Hole range(mm)		Φ90-110	Φ110-135	Φ110-135	Φ110-135
Connection thread		API 2 3/8” Reg.	API 2 3/8"Reg	API 2 3/8"Reg	API 2 3/8"Reg
Connection thread
Working pressure		1.0-1.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa		28Hz	27Hz	27Hz	27Hz
Recommended Rotation speed		25-40r/min	25-40r/min	25-40r/min	25-40r/min
Air consumption	1.0Mpa	4.5m3/min	6.0m3/min	6.0m3/min	6.0m3/min
	1.8Mpa	9.0m3/min	10.0m3/min	10.0m3/min	10.0m3/min
	2.4Mpa		15.0m3/min	15.0m3/min	15.0m3/min

Advantages

dth hammer:	dth hammer spare parts
More efficient energy transfer.	Valveless air distribution. More reliable.
Faster drilling speed, 15%-30% higher than others.	Simple design of the piston, long life
Lower air consumption and lower oil consumption. oil consumption is about 10% lower than others	Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
Direct factory price	Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Applications

• Underground mining

• Quarry benching operations

• Water well drilling

Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

Product Tags:

down the hole drilling tools

down the hole hammer

Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling Images

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