A&M Instruments Industrial Diamond 1.00" Counter Sink - 4664-1000Sold individually for $69. 45 each. A&M Instruments Product Code: 4664 1000 Grit: 120 Coarse Head Diameter: 1. 00" Head Length: 0. 40" 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

New ISO #: Medium 806 314 225 524 018

New ISO #: Medium 806 314 109 524 014

Coarse HP6847-041

Sold individually for $48

Old ISO #: Medium 837-016

New ISO #: Medium 806 314 196 524 025

ISO Max Speed:  N/A

A&M Instruments Product Code: Fine DISC100220F

A&M Instruments Product Code: 4018-0125

Medium 850-012

Coarse 6878K-015

A&M Instruments Product Code: Q4