Precision Inner Hole Boring Tool for Industrial Applications
High-grade carbide construction ensures extended durability and superior wear resistance for heavy-duty machining. Ultra-precise circular cutting edge delivers flawless surface finishes with minimal vibration during operation.
Engineered for CNC lathes and milling machines, ideal for enlarging or finishing cylindrical holes in automotive parts, hydraulic components, and precision machinery. Mirror-polished flutes reduce chip clogging while optimizing coolant flow.
Exclusive MPR coating technology triples tool life versus standard boring bars by resisting extreme heat and friction. Compatible with cast iron, alloy steel, and hardened materials up to 55 HRC.
Direct factory pricing with bulk order discounts—no middlemen markups. Globally shipped with certified quality assurance for industrial wholesalers and machining workshops.






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Professional Factory MPR inner hole circular boring tool
$18.1$23.57-23.21%
Size:
MPR8-8-R0.2-L27
MPR-5-R0.2-L22
MPR-4-R0.1-L15
MPR-2-R0.1-L10
MPR-3-R0.1-L15
MPR-6-R0.2-L22
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