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


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Description
High Lightoil casing pipe,heavy wall drill pipe
Material30CrMnSi / ASTM4130
TypeDrill Rod
Alloy Or NotAlloy Steel Pipe
Outer Diameter(round)69.3mm
Surface treatmentBoth Ends Case Hardening
UseDiamond Coring For Mining Mineral Exploration
Place of OriginWuxi
Brand NameCORE MASTER
CertificationISO DCDMA
Model NumberN/WL (OD:69.9mm, ID:60.3mm)
Minimum Order Quantity19 pcs
Packaging DetailsSteel frame
Delivery Time10-12 days
Payment TermsT/T, L/C
Supply Ability2000-3000 pieces per month

The alloy steel n / WL NR / WL wireline drill pipe NWL wireline drill pipe used for diamond core drilling is made of the highest quality heat-treated seamless steel pipe and complies with S135 / ASTM 4130 steel grade standard. Ultimate tensile strength, yield strength, high accuracy and good straightness provide the best performance under different drilling conditions. The rod end surface hardening can protect the threaded connection and improve its wear resistance and rod life. We have many years of experience in manufacturing coring drill pipes, and we strive to provide you with the most cost-effective products. Extracting core samples from deep holes requires reliable equipment and tools. It is very time-consuming to unnecessarily pull out the core from these depths - time is money! We are always proud of the quality of our drill pipes.

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)

20210126131715_55823

WIRELINE DRILL RODS OFFERINGS

SIZEOUTER DIAMETERINNER DIAMETER
mminchmminch
WL Series
NWL69.92.75260.32.374
BWL55.62.18944.11.736
HWL88.93.50077.83.063
PWL114.34.500101.64.000
HD Series
PHD114.34.500101.64.000
Specifications
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