A&M Instruments Industrial Diamond 0.50" Mandrel - 4375-0500Sold individually for $39. 45 each. A&M Instruments Product Code: Fine 4375 0500F; Coarse 4375 0500C Grit: 220 Fine; 120 Coarse Head Diameter: 0. 50" 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: E58

Medium 806 314 001 524 018

ISO Max Speed:  RPM

Old ISO #: Fine 8848-015

Super Coarse 5909-045

Coarse 4384-0375C

Old ISO #: Medium 835-012

Fine 806 314 164 514 009

Fine 806 314 273 514 015

Old ISO #: Coarse 6845-023

Sold individually for $44

Old ISO #: Medium HP825-060