A&M Instruments Industrial CBN 0.25" Flat End Cylinder (Mandrel) - CBN4378-0250Sold individually for $24. 25 each. Special order. A&M Instruments Product Code: Coarse CBN4378 0250C Grit: 120 Coarse Head Diameter (D): 0. 25" Head Length (L): 0. 312" Clearance (C): N A Overall Bur Length: 2. 25" Shank Diameter (S): 1 8" For almost 40 years customers around the world have depended on A & M Instruments for high precision Diamond and CBN Cutting Tools, CNC Machining, and Swiss Screw Machining. CBN cutting tools are coated with cubic

Old ISO #: Medium 813-012

Coarse 6813-018

New ISO #: Fine 806 314 544 514 015

Coarse 806 314 150 534 015

Coarse 6838-011

Old ISO #: Extra Fine 1860-012

CBN cutting tools are coated with cubic boron nitride crystals

New ISO #: Fine 806 314 129 514 011

Super Coarse 5801LS-024

Head Length (L): 0

A&M Instruments Product Code: G4

A&M Instruments Product Code: E23