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Awj Bwj Nwj Hwj Rock Drill Steel Rod, China Awj Bwj Nwj Drill Rod, Awj Drill Rod Awj Drill Rod Suppliers manufacturer / supplier in China, offering 2 7/8 Inch Mayhew JR Drill Rods, 10-5/8inch Tricone Bit with Tungsten Carbide IADC635, 10-5/8inch Tricone Bit with Tungsten Carbide IADC632 and so on.

Gold Member Since 2017
Audited Supplier

2 7/8 Inch Mayhew JR Drill Rods

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $20-600/ Piece
Port: Shanghai, China
Production Capacity: 2600
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram
Certification: CE, JIS, AISI, API
Length: 6.10-7.01m
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
Material: High Manganese Steel
Applications: Copper Mining Drilling
Use: Africa Mining

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Basic Info

Model NO.
Awj, Bwj, Nwj, Hwj
Model No
Mining Exploration Core Drilling
Australia Exploration
Australia Mining
Wireline Core Drilling
Exploration Core Drilling
Impregnated Diamond Core Bits
Drill Rod
Wireline Diamond Core Bits
Transport Package
HS Code
Roschen manufacture 2 7/8 inch Mayhew JR Drill Rods with friction welding. 

ROSCHEN manufactures wireline drill rods, form AQ BQ NQ HQ to PQ, parallel threaded drill rods, DCDMA size AW-HW, and Metric sizes 42mm to 90mm, Tapered threaded drill rods, DCDMA sizes AWY-NWY, AWJ, BWJ and S75 drill rods.

AW,BW,NW rock drill steel drill rod/drill rod/core drill rod
Specialisted in producing varies kinds of drilling rods in different sizes in China, including of twist drill rods, extension rods, tri-angle rods, integral rods, water exploring rods, tapered drill rods, etc.
 Made-to-order products can be supplied according to your detailed need. 

1. Light weight (lighter than the old-fashioned drill pipe 45%) 

2. Footage soon, dust small vertical holes left after drilling cuttings, into a hole clear. 

3. Card beans quickly and easily connect and save banding material. 

4. Under separation of body and drilling may be the end, the use of life extended. 

5. Water-based wet good pass operation.
6. Application: concrete, granite, marble, refractory material...
7. Fast delivery 
The material of this product is the 55sinomo hollow hexagon bar iron. The specification: 0.5, 0.8 meter, 1 meter to 6 meter etc., each kind of specification is complete. 

All worldwide standard Sizes will be available.
NoSizeOD(mm)ID(mm)Thread typeWeight (kg/m)
Technical parameters:
AW 3.0m(10') CASING57.10(mm)48.40(mm)17 (kg/3m)
AW 1.5m(5') CASING2.25(in)1.91(in)38(Ib/10ft
BW 3.0m(10') CASING73.00(mm)60.30(mm)31.30(kg/3m)
BW 1.5m(5') CASING2.88 (in)2.38(in)70 ( Ib/10ft)
NW 3.0m(10') CASING   
NW 1.5m(5') CASING88.90(mm) 3.5(in)76.20(mm) 3.00 (in)38.4(kg/3m) 86(lb/10ft)
NW 1.0m(2') CASING   
HW 3.0m(10') CASING   
HW 1.5m(5') CASING114.30(mm) 4.50(in)101.60(mm) 4.00 (in)52.20(kg/3m) 17.00(lb/10ft)
HW 1.0m(2') CASING   
HWT 3.0m(10') CASING   
HWT 1.5m(5') CASING114.30(mm) 4.50(in)101.60(mm) 4.00 (in)52.20(kg/3m) 17.00(lb/10ft)
HWT 1.0m(2') CASING   
PW 3.0m(10') CASING   
PW 1.5m(5') CASING139.70(mm) 5.50(in)127.00(mm) 5.00(in)64.30 (kg/3m)144.00(lb/10ft)
PW 1.0m (2') CASING   

1. Drill rod: BQ, NQ, HQ, PQ,  NW, HW, PW
2. Core barrel:  BQ, NQ, NQ2, NQ3, HQ, HQ3, PQ, PQ3 & head assembly and assembly  
3. BQ, NQ, HQ, PQ, T2, T6, etc. Diamond core bit, reaming shell & shoe bit (syn. and surface-set, PDC)
4. Drill tool: hoisting plug, water swivel, overshot, outer tube & inner tube wrench, foot clamp,etc.


Q: Are you a manufacturer or trading company ?
A: We are a specialized manufacturer.

Q: How about the delivery terms ?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount ?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.

For more information please contact:



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