A&M Instruments Industrial Diamond 0.375" Mandrel - 4384-0375Sold individually for $22. 45 each. A&M Instruments Product Code: Fine 4384 0375F; Coarse 4384 0375C Grit: 220 Fine; 120 Coarse Head Diameter: 0. 375" Head Length: 0. 312" Clearance: N A Overall Bur Length: 2. 25" Shank Diameter: 1 4" 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

Coarse 6859-017

Coarse 806 314 164 534 013

New ISO #: Medium 806 314 248 524 018

Sold individually for $79

A&M Instruments Product Code: HPC1300

Medium 806 314 199 524 015

A&M Instruments Product Code: Fine 4375-1500F

Extra Fine 806 314 001 504 014

Old ISO #: Extra Fine 1830L-010

Old ISO #: Extra Fine 1861-012

Coarse 4378-0120C

Sold individually for $29