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Shandong East Machinery & Equipment Co., Ltd.
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Drill Rod

Shandong East Machinery & Equipment Co., Ltd.
Shandong East Machinery & Equipment Co., Ltd.
City: Liaocheng
Province/State: Shandong
Tel: 86-0635-13734482764
Contact Person:
Mrs. Linda Sun

Drill Rod

Place of Origin : China
Brand Name : EST
Certification : ISO9001
Model Number : all types
MOQ : 100pces
Price : USD50$-100$/pce(FOB Price)
Packaging Details : wooden box,rust-profing package,or as per custom's need
Delivery Time : 15days
Payment Terms : TT/LC
Supply Ability : 18000 Meter/Meters per Week
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1. high quality alloy tube 2. thru-wall heat treated tube body 3. consistent concentricity, straightness 4. tapered threads

hq drill rod thread numbers

thread length

44.45 mm

thread pitch

3 threads/inch

thread tooth height

box thread: 0.76 mm

pin thread: 0.88 mm

thread tooth angle


hq drill rod

global standard for wireline coring

Raw materials:
Tangshan Jinshi only choose the best steel tubes in the market to manufacture our 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.

Heat treatment control:
Heat treatment will greatly improve the material strength and increase the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.

Thread opening process:
Accuracy of threads will determine the use effects and life time of drill rod and casings.
CNC latches and form cutter are used in thread opening processing to minimize error made by anthropic factors.

Additional thread treatment:
Surface of the threads will be cleaned to remove burr adhered after threads are opened.
Afterwards, the tread surface will be phosphated to improve surface conditions.

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