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straightness Wireline Drill Rod Coring Rods for mining exploration
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straightness Wireline Drill Rod Coring Rods for mining exploration

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straightness Wireline Drill Rod Coring Rods for mining exploration

 

 

 

 

Specifications

 

Q thread  rods are the undisputed, worldwide choice for wireline coring drill rods. 

1.  high quality alloy tube 

2.  thru-wall heat treated tube body 
3.  consistent concentricity, straightness 
4.  tapered threads

 

 

Features:

 

TUBING

• High quality alloy steel tubing

• Consistent concentricity, straightness and heat treatment

 

• All tubing available in DCDMA sizes

THREAD

 

• Tapered, course threads (3 threads per inch) provides easy make and break

• Load efficiency of 30% provides sufficient strength for average applications

THRU-WALL HEAT TREATMENT

• Provides 140% material strength

• Heat treated box threads significantly increases thread wear life

CASE HARDENING

 

• Significant research, development and field testing has resulted in a hardening process that is unmatched      in the  marketplace

• Pin thread crest is hardened to nominal 55 HRc to eliminate damaging ‘adhesion’ wear

• Eliminates the transfer of wear material back and forth which is what happens between threads of equal hardness, leading to large scale galling and joint seizing

 

 

Technical Parameters

 

 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

 

 

Decription

OD(mm)

ID(mm)

Weight(Kg/3m)

Rod, BQ 3.0 m  Enhanced

55.60

46.10

18.00

Rod, NQ 3.0 m  Enhanced

69.90

60.30

24.00

Rod, HQ 3.0 m  Enhanced

88.90

77.80
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Mr. Yuan Qi
Tel: 86-510-82723272
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Sinocoredrill Group Co.,Ltd
No.1 Yangming Development Zone, Wuxi, Jiangsu, China (Mainland)
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