A&M Instruments Industrial Diamond 0.50" Counter Sink - 4664-0500Sold individually for $42. 25 each. A&M Instruments Product Code: 4664 0500 Grit: 120 Coarse Head Diameter: 0. 50" Head Length: 0. 20" Overall Bur Length: 1. 5" Shank Diameter: 1 4" The angle of A & M Instruments counter sink is 82 degrees. 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

Sold individually for $13

Overall Bur Length: 23mm

A&M Instruments Product Code: Fine 4378-0065F

Coarse 806 314 298 534 018

Fine 806 314 257 514 021

A&M Instruments Product Code: TPE12 (Special Order Item)

Old ISO #: Ultra Fine 3801-016

Coarse 6815-028

New ISO #: Medium 806 314 519 524 018

187" (3/16")

A&M Instruments Product Code: Q4

New ISO #: Medium 806 314 041 524 040