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Downward guide positive reaming barrel drill
Triple-nested guide barrel drill for hard rock. Ensures concentricity, verticality. Full custom specs & roller bits.
Description
Product Description
Model List
|
Cutting Dia
|
Outer Shell HIT
|
Outer Shell OD
|
Inner Shell THK
|
Inner Shell OD
|
Shell THK
|
Teeth No.
|
Weight
|
|
&1000
|
1200
|
900
|
1400
|
550
|
20
|
17
|
1115
|
|
&1200
|
1200
|
1100
|
1400
|
650
|
20
|
20
|
1323
|
|
&1500
|
1200
|
1400
|
1400
|
750
|
20
|
24
|
1775
|
|
&1600
|
1200
|
1500
|
1400
|
850
|
20
|
27 |
1965
|
|
&1800
|
1000
|
1700
|
1100
|
950
|
20
|
29
|
2361
|
|
&2000
|
900
|
1900
|
1100
|
1050
|
20
|
33
|
2690
|
|
&2200
|
900
|
2100
|
1100
|
1150
|
20
|
36
|
2969
|
|
&2500
|
900
|
2400
|
1100
|
1250
|
20
|
42
|
3318
|
|
&2800
|
900
|
2700
|
1100
|
1450
|
20
|
46
|
3997
|
|
&3000
|
900
|
2900
|
1100
|
1550
|
20
|
49
|
4633
|
|
Remark: All measurements are in millimeters, weight in kilograms.
|
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Feature
The barrel adopts a three-section nested barrel design with welded connections, equipped with roller cone cutters;
Applicable strata: Hard rock drilling with stepwise reaming to ensure concentricity of different pile diameters, improving borehole verticality and drilling efficiency.
Customizable Items
Cutting DIA,Custom:design various cutting diameter based on demand,like&950 &1050 etc.;
Shell HIT.Custom: design as demand,prolong or shortten,increase of efficiency by drilling more;
Key Component Reinforce Custom:strengthen the key component to extend life cycle;
Kelly Box Custom: custom kelly box size based on the kelly bar, like150*150 200*200 250*250 etc;
Teeth No. Custom: Encrypt the drilling teeth based on demand etc;
Roller Bits Custom: New roller bits,used roller bits and detachable roller bit design as demand;
Product Details
