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Mayhew Junior Threads Mayhew Junior Drill Rods With 55mm Spanner Flats At Each End For Water Well Drilling

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Mayhew Junior Threads Mayhew Junior Drill Rods With 55mm Spanner Flats At Each End For Water Well Drilling
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Features
Specifications
Name: Mayhew Junior Drill Rods
Item: Mayhew Junior Drill Pipe
Use: Water Well Drilling
Series: Mayhew Junior Drill Rod
Thread: Mayhew Junior Threads
Connection: Mayhew API Thread
Type: Mayhew Jr Drill Rod
High Light:

shank adapter

,

tapered drill bits

Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: NMLC , HMLC, NQ, HQ, PQ
Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 100000 sets
Product Description

Mayhew Junior Threads Mayhew Junior Drill Rods With 55mm Spanner Flats At Each End For Water Well Drilling
 
Mayhew Junior Drill rods with 55mm spanner flats at each end and 4mm wall thickness
 
Mayhew Junior threads Mayhew Junior Drill rods with 55mm spanner flats at each end for water well drilling
 
Mayhew Junior Rods
We manufacture drill rods from seamless tubing and hardened & tempered alloy steel tool joints.
All our tool joints are pre-machined and heat treated before final machining to ensure accuracy.
All threads are gauged to international standards to ensure interchangebility on existing rods irrespective of supplier.

 
Drill pipe is designed to allow the introduction of a drilling fluid or air to the bit and to provide the mechanism to transfer energy developed by the drill motor to the bit.
 
The correct selection of drill pipe, in most instances, determine how successful you are and what options you have as far as depth, bore hole size, and push and pull down ability.
The selection of drill pipe is one of the most important decisions mainly due to cost and rig capability.

 
Below is a breakdown of what the most popular drill pipes are and their benefits.
 
 

Description Pipe OD Pipe Wall Connection OD Connection ID Length(ft)
2-3/8 IF Flush 3 1/2 0.375 3 1/2 1 3/4 20
2-3/8 IF 2 3/8 .280/254 3 1/2 1 3/4 10, 15, 20
2-3/8 FEDP 2 3/8 .280/254 3 1/8 1 1/2 10, 15, 20
2-3/8 Mayhew Jr 2 3/8 .280/254 3 1 1/2 10, 15, 20
2-3/8 Mayhew Jr 2 3/8 0.19 2 3/4 1 1/2 5, 10
2-7/8 Mayhew Jr Pipe Flush 2 7/8 0.362 2 7/8 1 1/2 10, 15, 20
Mayhew Reg. Flush 3 1/2 0.375 3 1/2 1 1/2 20
Mayhew Reg. 2 3/8 .280/254 3 1/2 or 3 1/4 1 1/2 10, 15, 20
2-7/8 IF 4 1/2 0.337 4 1/8 2 1/2 10, 15, 20
3-1/2 IF 5 1/2 0.362 4 3/4 2 11/16 10, 15, 20
3-1/2 API Reg Flush 4 1/2 0.337 4 1/2 1 1/2 10, 15, 20
4-1/2 API Reg Flush 5 1/2 .362/.478 5 1/2 2 1/4 10, 15, 20
AWJ/AW w/Flats 1 3/4 .188/.250 1 3/4 5/8 5,10
NWJ/NW w/Flats 2 5/8 .188/.250 2 5/8 1-1/4 or 1-3/8 5,10

 
 
 

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Get in touch with us
Contact Person : Bill, George, Michael
Tel : 8613764195009
Fax : 86-021-54380177
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