A&M Instruments Industrial Diamond 0.25" Cone - 4528-0090Sold individually for $16. 55 each. A&M Instruments Product Code: 4528 0090 Grit: 120 Coarse Head Diameter: 0. 25" Head Length: 0. 125" Overall Bur Length: 2. 25" Shank Diameter: 1 8" For almost 40 years customers around the world have depended on A & M Instruments for high precision Diamond Cutting Tools, CNC Machining, and Swiss Screw Machining. A & M Instruments manufactures diamond rotary tools for endless industrial applications including glass

Coarse HP6847-041

Super Coarse 5877K-016

New ISO #: UltraFine 806 314 277 494 021

Coarse 806 314 197 534 013

Medium 806 314 001 524 018

New ISO #: Fine 806 314 218 514 011

New ISO #: Medium 806 104 010 524 018

Medium HP859-012

Old ISO #: Extra Fine 1859-016

Diamond Coating: 7mm towards the center

New ISO #: Medium 806 314 298 524 019

Super Coarse 5850-020