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WOLFNI is a trusted brand.
WOLFNI has been recognized by
more and more users.
The main body of the bit is made of
quality steel, the blade surface
is welded with
wear-resistant materials to
the erosion of the base material.
We have strict quality control testing
procedures for every drill bit,only
products that meet the requirements
will be handed over to the customers.
Our main target is to work hand in
hand(win to win)to support our
partner growth and success.
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Product Name: Drilling joints
2: Ultra high anti-torsion
3: Anti-adhesion thread
4: Integral hard banding
5: Much longer service life
Product Tags: Drill Pipe Tool Joints Forging Machining
Drill Pipe Connection Drill Joint with Anti Adhesion Thread 4137, 4137H
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