A&M Instruments Industrial Diamond 0.25" Mandrel - 4374-0250Sold individually for $18. 25 each. A&M Instruments Product Code: Fine 4374 0250F; Coarse 4374 0250C Grit: 220 Fine; 120 Coarse Head Diameter: 0. 25" Head Length: 0. 312" 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

Coarse 4378-0075C

A&M Instruments Product Code: F9R

A&M Instruments Product Code: Fine 4374-0218F

25each/box of 25

A&M Instruments Product Code: 4018-0187

A&M Instruments Product Code: Fine 4378-0250F

A&M Instruments Product Code: F1R

A&M Instruments Product Code: H3

Old ISO #: Medium 805-009

A&M Instruments Product Code: 4814-0093SP

rotary tools

Coarse 806 314 304 534 051