A&M Instruments Industrial Diamond 0.312" Ball - 4018-0312Sold individually for $16. 45 each. A&M Instruments Product Code: 4018 0312 Grit: 120 Coarse Head Diameter: 0. 312" Head Length: 0. 312" 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

Extra Fine 0

Coarse 806 314 198 534 026

Coarse 806 314 196 534 013

Coarse 6848-013

Coarse 4384-0312C

Fine 8852-011

Coarse 6849-017

Medium 806 314 199 524 015

Head Length: 0

Coarse 6856-015

A&M Instruments Product Code: 4814-0250

A&M Instruments Product Code: Fine DISC100190F