A&M Instruments Industrial Diamond 0.687" Mandrel - 4375-0687Sold individually for $48. 45 each. A&M Instruments Product Code: Fine 4375 0687F; Coarse 4375 0687C Grit: 220 Fine; 120 Coarse Head Diameter: 0. 687" Head Length: 0. 375" Clearance: N A Overall Bur Length: 3" Shank Diameter: 3 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

A&M Instruments Product Code: E14

Coarse HP6856-034

Old ISO #: Fine 8885-011

A&M Instruments Product Code: 4014-0437

New ISO #: Ultra Fine 806 314 555 494 014

A&M Instruments Product Code: Fine 4375-0625F

A&M Instruments Product Code: 12twistdrill

Coarse 6856-015

Old ISO #: Medium 805-018

Medium 806 314 218 524 012

Coarse HP812-083C

A&M Instruments Product Code: 6A2C