Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs

China Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs, Find details about China 10 Inch DTH Hammer, DTH Hammer DHD1120 from Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs

Model NO.
DTH Hammers DHD1120
Thread Size
API 2 3/8′′reg,API 3 1/2′′ Reg,API 6 5/8′′reg
Working Pressure
10-25bar
Recommended Rotation Speed
25-40r/Min
Trademark
KIMDRILL
Transport Package
Wooden Case
Specification
3′′4′′5′′6′′7′′8′′9′′10′′12′′14′′
Origin
China
HS Code
84123100
Model NO.
DTH Hammers DHD1120
Thread Size
API 2 3/8′′reg,API 3 1/2′′ Reg,API 6 5/8′′reg
Working Pressure
10-25bar
Recommended Rotation Speed
25-40r/Min
Trademark
KIMDRILL
Transport Package
Wooden Case
Specification
3′′4′′5′′6′′7′′8′′9′′10′′12′′14′′
Origin
China
HS Code
84123100

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs


Advantage:

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.


High air pressure with valve DTH hammer KD1120

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs



Parameters of  DTH HAMMER KD1120
 
Length without bit1900mm
Weight without bit480KG
Out DiameterΦ275mm
Bit ShankDHD1120
Hole RangeΦ305-445mm
Connection ThreadAPI 6⅝" Reg
Operating pressure10-25Bar
Impact rate at 0.5Mpa16HZ
Recommended rotation speed15-25r/min


Technical Data of KD other models: 
 KD35KD45KD55KD65KD85
Length without bit930mm1031mm1214mm1248mm1492mm
Weight without bit25kg39kg76.5kg100kg188kg
Out DiameterΦ82mmΦ99mmΦ125mmΦ142mmΦ180mm
Bit ShankDHD3.5COP44/DHD340COP54/DHD350RCOP64/DHD360COP84/DHD380
Hole RangeΦ90-110mmΦ110-135mmΦ135-155mmΦ155-190mmΦ195-254mm
Connection ThreadAPI  2⅜"Reg API  2⅜"Reg API  2⅜"Reg API 3 ½ "RegAPI 3 ½ "Reg
 
API 4 ½ "Reg
 
Working Pressure10-15Bar
 
12-20Bar13-23Bar15-25Bar15-30Bar
 
Impact Rate at 17Bar28HZ
 
27HZ25HZ23HZ27HZ
Recommended rotation speed25-40r/min25-40r/min
 
20-35r/min
 
20-30r/min
 
20-30r/min
 
Air consumption10Bar:4.5m³/min
 
10Bar:6m³/min10Bar:9m³/min
 
10Bar:10m³/min
 
10Bar:15m³/min
 
15Bar:9m³/min
 
18Bar:10m³/min
 
18Bar:15m³/min
 
18Bar:20m³/min
 
18Bar:26m³/min
 
24Bar:15m³/min
 
24Bar:23m³/min
 
24Bar:28.5m³/min
 
24Bar:34m³/min
 

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs

Package and Delivery:

DTH hammer and bits are always packed in wooden case. The cargo are shipped by sea or air according to the client's request. Sample order can be shipped by express such as DHL, FEDEX,UPS and so on.

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs


Related Products:
Kimdrill also can offer Low Air Pressure DTH Hammers, Middle-Low Air Pressure DTH Hammers, High Air Pressure with foot vlave DTH Hammers, Big Hole High Air Pressure DTH Hammers, R.C. Hammers and DTH bits.

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs

Our Factory:
Kimdrill Industrial Co. Limited focuses on Drilling Tools since 2008. Headquatered in Changsha, we have been engaged in offering full range of tools for mining exploration, water-well drilling and oil drilling.

Griotte Quarrying DTH Bit for Big Hole High Air Pressure DTH Hammers DHD1120 for Drill Rigs


FAQ:
Q: What about the after sales service of Kimdrill?
A: Kimdrill offers good service in and after sales. All of our products are with warranty period.

Q: Could the visiting of factory be possible?
A: We warmly welcome customers to visit our factory anytime. Besides the visiting of factory, we also warmly welcome customers or the third parties to arrange inspection before delivery.

Q: What is the payment term?
A: We accept TT 
or Western Union.

Q: How about the lead time?
A: Generally, the lead time is about 7-10 working days. The specific lead time will be offered in every quotation sheet.