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3 4 5 6 8 10 12 Feet Male-female MF Extension Drill Pipe

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Xiamen Sansung Rock Tools Co., Ltd

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3 4 5 6 8 10 12 Feet Male-female MF Extension Drill Pipe

Name: 3 4 5 6 8 10 12 Feet Malefemale MF Extension Drill Pipe
Brand: SANSUNG
Price: 1 USD

Place of Origin : China

Brand Name : SANSUNG

Certification : ISO SGS

Model Number : R32 T38 T45 T51

MOQ : 50 pcs

Price : USD

Packaging Details : wooden box

Delivery Time : 20-30 days

Payment Terms : T/T

Supply Ability : 20000 pcs per month

Type : Drill Pipe

Machine Type : Drilling Equipment

Material : High Manganese Steel

Processing Type : Forging

Use : Ore Mining

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For extension rod, there are two shapes, one is round type, and another one is hexagonal type. All extension rods are threaded and made by hollow drill steels.

This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. Two ends threads can be used for connecting couplings, shanks, couplings or bits. Typically two ends of extension rods are male, while sometime one end is male and another one is female, then we call it M/F rod. We need couplings to connect extension rods , while for M/F rods, because one end is female, so couplings are not necessary.

Extension rod size:

R32-Round32-R32	length 3 4 6 8 10 12 feet
T38 (R38)–Round39-T38 (R38)	length 4 6 10 12 feet
T45-Round46-T45	length 10 12 14 20 feet
T51 -Round52-T51	length 12 14 20 feet

MF rod/speed rod size:

MF-rod R32-Round32-R32	length 3 4 5 6 10 12 14 feet
MF Rod T38-Round39-T38	length 4 5 6 10 12 14 feet
MF Rod T45-Round46-T45	length 5 6 10 12 14 20 feet
MF Rod T51-Round52-T51	length 6 12 14 20 feet
MF Rod ST58-Round60-ST58	length 12 14 20 feet

3 4 5 6 8 10 12 Feet Male-female MF Extension Drill Pipe

3 4 5 6 8 10 12 Feet Male-female MF Extension Drill Pipe Images

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