Hardening High Tensile Strength Wireline Drill Rod Heat Treatment Surface

Brand Name:SINOCOREDRILL
Certification:CE
Model Number:BWL NWL HWL PWL
Minimum Order Quantity:N/A
Delivery Time:Based on Detailed Order
Payment Terms:T/T
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Location: Wuxi Jiangsu
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Product Details

Heat Treatment Surface Hardening High Tensile Strength Wireline Core Drill Rod


- available in all standard BQ NQ HQ PQ sizes

- available in male type and female type

- available in both right hand thread and left hand thread


1.Whole heat treatment
2.Screw thread heat treatment.
3.Hard chromed on pin end

Geological steel pipe-entire length thermal treatment, NC lathe with former cutters


wire line drill rods are made of strong and ductile alloy-steel pipe, material 30CrMnSiA which are whole pipe thermal processed heat treatment. Rod threads are formed using former cutters and specially hardened so that their accuracy and mechanism reach advanced world standard.

We will make sure the compositions and specifications match the inspection report form the suppliers.


Core sizes:


Technical Information


Drill Rods


SizeOD(mm)ID(mm)WeightThreads PitchPin Length
B-WL55.64618KGS /3m(10ft)8.5mm44.45mm
N-WL69.960.324KGS /3m(10ft)8.5mm44.45mm
H-WL88.977.834KGS/3m(10ft)8.5mm44.45mm
P-WL114.3101.653KGS/3m (10ft)10.2mm63 mm

Casing Tubes


SizeODIDWeightPipe lengthThread length
BW73.060.332.00300060.33
NW88.976.240.00300066.68
НW114.3101.553.50300073.02
PW139.712739.00300082.55

Double tube surface
Size(surface exploration drill)Metric system(mm)Imperial system(in)
Hole diameterCore diameterHole diameterCore diameter
BWL6036.42.361.43
NWL75.747.62.981.88
HWL96.163.53.782.5
PWL122.7854.833.34
Triple tube surface
NWL375.7452.981.78
HWL396.161.13.782.41
PWL3122.7834.833.27

WL series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters
Spec.UnitBWLNWLHWLPWL
OD/IDmm55.6/4671/6089/77.8114.3/101.6
Thicknessmm4.85.55.66.35
Lengthm1.5 or 31.5 or 31.5 or 31.5 or 3
Weightkg/m6.018.811.5117.3
thread lengthmm44.4544.4544.4563.5
thread pitchthread/inch3332.5
box thread tooth heightmm0.760.760.761.17
pin thread tooth heightmm0.880.880.881.27
thread tooth angle.29292929
tensile resistance(A series)kn400530510565
tensile resistance(B series)kn450615625660
bore depthm12001000900800

WL-Rods and W-Casing threads are cut with CNC lathe machines with the best tools available in the market by an experienced crew. After threading, rods are induction hardened to prolong their service time.

Sinocoredrill is one of the few manufacturers that provide this service to their customers.





China Hardening High Tensile Strength Wireline Drill Rod Heat Treatment Surface supplier

Hardening High Tensile Strength Wireline Drill Rod Heat Treatment Surface

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