• Chris
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Contact Person : Jiang
Phone Number : 0086-510-83622151

N/WL NR/WL Drill Rod for Diamond Coring Drilling

Place of Origin Wuxi
Brand Name cge
Certification ISO DCDMA
Model Number N/WL (OD:69.9mm, ID:60.3mm)
Minimum Order Quantity 19 pcs
Packaging Details Steel frame
Delivery Time 10-12 days
Payment Terms T/T, L/C
Supply Ability 2000-3000 pieces per month
Product Details
Material 30CrMnSi / ASTM4130 Type Drill Rod
Alloy Or Not Alloy Steel Pipe Outer Diameter(round) 69.3mm
Surface Treatment Both Ends Case Hardening Use Diamond Coring For Mining Mineral Exploration
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oil casing pipe


heavy wall drill pipe

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Product Description
Alloy Steel N/WL NR/WL Wireline Drill Rod for  Diamond Coring Drilling
NWL Wireline drill rods are manufactured from the best quality heat-treated seamless steel tubes according to S135/ ASTM 4130 steel grade standard. Ultimate tensile strength,yield strength, high precision and good straightness provide the best performance under different drilling conditions.

Case hardening on rod’s end protects thread connection and increases its wear resistance and rod life.
we has many years of experience in manufacturing coring drill rods, we try to provide you the most cost-efficient products.

Retrieving core samples from deep holes requires trust worthy equipment and tools . Unnecessary pulling of rods from these depths is time consuming – and time is money!

We’re always pround of our drill rods' quality.

Raw materials:


We choose the best steel tubes in the market to manufacture our drill rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.

Based on the depth of drill bore, WL series wireline core drill rods are classified into A and B grades. A grade drill rod is entire-length or ends thermal processed and B grade drill rod is entire-length processed.

Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)

N/WL NR/WL Drill Rod for Diamond Coring Drilling 0



mm inch mm inch
WL Series
NWL 69.9 2.752 60.3 2.374
BWL 55.6 2.189 44.1 1.736
HWL 88.9 3.500 77.8 3.063
PWL 114.3 4.500 101.6 4.000
HD Series
PHD 114.3 4.500 101.6 4.000