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DHD350 High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch DTH Hammer

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DHD350 High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch DTH Hammer

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Brand Name : MIROC

Model Number : DHD350 Down The Hole Hammer

Certification : API

Place of Origin : Shangdong,China

MOQ : 5 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

Processing Type : CNC milling and proprietary heat treatment process

Use : Tunneling, Mining,Quarrying,Construction

Application : Tunneling,piling,water Well,blasting,quarrying,concrete Drilling

Type : Down The Hole Hammer

Series : COP, MISSION, SD, DHD,QL

Bit Diameter : 130-152MM

Color : Green, Black And Demaned By Customer

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DHD350 DTH Hammer High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch Hammer

Describtion

KSQ DTH hammer include high air pressure and low air pressure two series,with advanced design concept, better wear-resistance,better impact-resistance, higher drilling speed, longer service life, widely used in large-scale open pit mining, quarry and other large-scale construction projects.

Product name DHD350 hammer down the hole hammer and rock drill bits
Details

1, Material : Element Six Tugestun Carbide + Top quality Alloy Steel

2, Workmanship : Hot pressed & Cold pressed

3, Advantage : Quality can compare with world's famous brand .
Application Water Well , Mining , Quarrying , Construction .
Shank type DHD , QL , SD , TD , MISSION , MD , W , COP , MACH , CIR , BR ,MACH , etc .
Working pressure Low air pressure : 5-7bar . High air pressure : 7-35bar
Button bit type Hemispherical & Parabolic & Conical & Ballistic
Face type Flat front & Convex & Concave & DGR face
Top sub thread 2-3/8" , 3-1/2" , 4-1/2" API reg pin

Specification

DTH hammer type HD55 HD55C HSD5 HQL5
Length(less bit) mm 1214 1160 1175 1156
Weight(less bit) kg 76.5 72.5 72.5 73
External diameter mm Φ125 Φ125 Φ125 Φ125
Bit shank COP54 DHD350R HD55C DHD350Q SD5 QL50
Hole range(mm) Φ135-155 Φ135-155 Φ135-155 Φ135-155
Connection thread API 2 3/8"Reg API 2 3/8"Reg API 3 1/2"Reg API 3 1/2"Reg
API 3 1/2"Reg API 3 1/2"Reg
Working pressure 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa 25Hz 25Hz 25Hz 25Hz
Recommended Rotation speed 20-35r/min 20-35r/min 20-35r/min 20-35r/min
Air consumption 1.0Mpa 9.0m3/min 9.0m3/min 9.0m3/min 9.0m3/min
1.8Mpa 15.0m3/min 15.0m3/min 15.0m3/min 15.0m3/min
2.4Mpa 23.0m3/min 23.0m3/min 23.0m3/min 23.0m3/min

DHD350 High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch DTH HammerDHD350 High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch DTH Hammer

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

DHD350 High Middle Air Pressure Hammer Trustworthy Drilling Tool 5 Inch DTH Hammer

Warranty of dth hammers:

In the early use if the dth hammer, rupture appears on parts such as external cylinder, piston and drive chuck ect. the broken parts can be compensated according to the situation.

Packaging & Shipping:

Internal package : By carton box with foam ,one pc dth hammer per carbox

External package: By wooden box, one pc dth hammer per wooden box.

Round-sealed package can prevent damaging during delivery.

Delivery ways of dth hammers:

Sample order can delivery by Air or International express, such as DHL, UPS, Fedex, ect.

Batch orders can delivery by Air , By truck or by Sea

We can choose most favorable delivery ways for our customers


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