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Description
Description of drill rod:
1) Excellent comprehensive mechanical properties
2) High connection strength and sealability3) High fatigue strength and long fatigue life4) Good flushing effect to ensure high drilling rate
Specification of drill rods:
|
SIZE |
O.D.(mm) |
I.D.(mm) |
|
WLA |
44.7 |
37.3 |
|
WLB |
55.7 |
46.1 |
|
WLN |
70.0 |
60.2 |
|
WLH |
89.0 |
78.0 |
|
WLP(PHD) |
114.5 |
101.5 |
|
AW/AWJ/AWY |
43.7 |
30.7 |
|
BW/BWJ/BWY |
54.0 |
38.0 |
|
NW/NWY |
66.8 |
51.0 |
|
HW |
89.0 |
71.0 |
|
Ø42 |
42.0 |
30.0 |
|
Ø50 |
50.0 |
37.0 |
|
Ø60 |
60.0 |
48.0 |
|
Ø70 |
73.0 |
54.6 |
|
Ø90 |
89.0 |
69.0 |
|
S75 |
71.0 |
61.0 |
Characteristic:
1. With highly and strength of resistance on the bending, welding fixed.
2. Highly efficiency on production and steady quality.
3. It’s able to keep the hole straight and with long use time.
Application:Mainly used for gas drainage hole, also widely used for mining, geology exploration, hydroeceltric dam.
Size Available/ Diameter: Ø42, Ø50, Ø60, Ø70, Ø90mm
W series: WLA, WLB, WLN, WLH, WLP(PHD), AW/AWJ/AWY, BW/BWJ/BWY, NW/NWY, HW
Q series: AQ, BQ, NQ, HQ, PQ
Length: 0.75M, 1M, 1.5M,2M,3M
