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the AK20 mandrel offers exceptional accuracy and surface finish
Designed to deliver superior bore geometry and surface finish
engineered for superior cutting performance and extended life
The AG-300 and AG-400 are the only gages specifically designed for both clearance and press type pin fits and the journal end of connecting rods
Whether you are refining bores or achieving exact tolerances
K12 CBN STONE, METAL BOND the AK20 mandrel offers exceptionalPrecision meets performance with Sunnen K12 abrasives engineered for consistent, high quality honing results. Ideal for a wide range of materials, the K12 delivers exceptional cutting action and surface finish, maximizing productivity while minimizing wear. Whether you are refining bores or achieving exact tolerances, trust the K12 to keep your process sharp, smooth, and reliable.
