How to Achieve Good Part Quality in Turning
Learn how setup rigidity, insert geometry, cutting data, coolant and inspection improve dimensional accuracy and surface finish in…
Read article →Wujinniu is a China-based CNC cutting tool manufacturer supplying U drills, carbide inserts, milling tools, anti-vibration boring tools and precision boring tools for global machining teams, distributors and OEM brands.
From holemaking to finishing, Wujinniu tools combine practical geometries, carbide grades and coatings for stable cutting and longer tool life.

Indexable U drills and deep-hole drilling solutions for accurate, productive holemaking.
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Turning, milling and drilling inserts with grades and chipbreakers selected for your material.
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Solid carbide and indexable milling cutters for profiles, pockets, shoulders and high-feed work.
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Damping boring bars and holders for deep cavities, thin walls and demanding surface finish.
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Precision boring bars, holders and custom tooling solutions for accurate diameters and stable finishes.
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Share the material, machine, operation and target result. Our team can help narrow down the right insert geometry, grade, coating and cutting conditions.
Turning
Roughing, finishing, threading and grooving solutions.
Milling
Stable cutters for profiles, pockets and high-feed work.
Drilling and boring
Reliable chip evacuation, hole quality and vibration control.
Organized stock, controlled materials and inspection resources help keep tooling programs moving.



Certificates, inspection records and technical information can be prepared around your project requirements. Contact us for the documents relevant to your tooling program.
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Learn how setup rigidity, insert geometry, cutting data, coolant and inspection improve dimensional accuracy and surface finish in…
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Learn what turning is, why the tool stays stationary while the workpiece rotates, and how longitudinal turning, facing…
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Why tool life varies in CNC milling CNC milling tool life depends on cutting speed, feed per tooth,…
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