A&M Instruments Industrial Diamond 0.156" Mandrel - 4374-0156Sold individually for $16. 25 each. A&M Instruments Product Code: Fine 4374 0156F; Coarse 4374 0156C Grit: 220 Fine; 120 Coarse Head Diameter: 0. 156" Head Length: 0. 25" Clearance: 1. 00" 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

Medium 839-014

A&M Instruments Product Code: Fine 4378-0045F

Head Diameter: 24

Medium 806 314 199 524 015

A&M Instruments Product Code: 14twistdrill

A&M Instruments Product Code: P8L

Old ISO #: Medium 877K-012

45 each/box of 10

Coarse 806 314 274 534 014

Coarse 806 314 002 534 015

A&M Instruments Product Code: Fine 4378-0020F

Coarse 6830-011