Drill pipe / drilling rod
1.Whole heat treatment 2.Screw thread heat treatment. 3.Hard chromed on pin end
4.oem products5.various size are available
Friction Welded drilling rods 73mm to 140mm API standard R780 / 42CrMo4 alloy steel, heat treated.
The wire-line drill pipe is used for core drilling rig, and it can work more effectively.
It is have into high-efficiency, to take core rate, life expectancy bit long, labor-intensive small advantages and so on. The more deepening of the depth it drilling, the more obvious advantages it showing.
Available drill rod dimension:
Wireline drill rod AQ BQ NQ HQ PQ
size | OD (mm) | ID(mm) |
AQ | 44.7 | 37.3 |
BQ | 55.7 | 46.1 |
NQ | 70 | 60.2 |
HQ | 89 | 78 |
PQ(PHD) | 114.5 | 101.5 |
Drill rod DCDMA size AW-HW
size | OD (mm) | ID(mm) |
AW/AWJ/AWY | 43.7 | 30.7 |
BW/BWJ/BWY | 54 | 38 |
NW/NWY | 66.8 | 51 |
HW | 89 | 71 |
Metric size 42mm to 90mm
Size(diameter) | OD (mm) | ID(mm) |
42 | 42 | 30 |
50 | 50 | 37 |
60 | 60 | 48 |
70 | 73 | 54.6 |
90 | 89 | 69 |
S75 | 71 | 61 |
Casing
Available Casing dimension:
Metric series casing;
Size | OD(mm) | ID(mm) |
46 | 44.15 | 37.15 |
56 | 54.15 | 47.15 |
66 | 64.25 | 57.25 |
76 | 74.25 | 67.25 |
86 | 84.25 | 77.25 |
101 | 98 | 88.3 |
116 | 113 | 103.3 |
131 | 128 | 118.3 |
146 | 143 | 133.3 |
Flush-jointed W series casing
Size | OD | ID | ||
Inch | mm | Inch | mm | |
BW | 2.874 | 73 | 2.374 | 60.3 |
NW | 3.5 | 88.9 | 3 | 76.2 |
HW | 4.5 | 114.3 | 4 | 101.5 |
PW/HWT | 5.5 | 139.7 | 5 | 127 |
Flush-coupled X series casing
size | OD | ID | ||
Inch | mm | Inch | mm | |
NX | 3.5 | 88.9 | 3 | 76.2 |
HX | 4.5 | 114.3 | 3.937 | 100 |
PX | 5.5 | 139.7 | 4.867 | 123.6 |
Fluch-jointed water well casing (B.S.879)
Size | OD | ID | ||
Inch | mm | Inch | mm | |
4" | 4 1/2" | 114.3 | 3 7/8" | 98.3 |
5" | 5 1/2" | 139.7 | 4 7/8" | 123.7 |
6" | 6 5/8" | 168.3 | 5 7/8" | 149.3 |
8" | 8 5/8" | 193.7 | 7 7/8" | 174.7 |
other drilling equipment
aq bq nq hq pq aw bw nw nwy hw drill rod for mining