A&M Instruments Industrial Diamond 3/16" Twist Drill - 36twistdrillSold individually for $16. 00 each. A&M Instruments Product Code: 36twistdrill Grit: 120 Coarse Head Diameter: 0. 187" or 3 16" Overall Bur Length: 3. 5" or 3 1 2" Shank Diameter: 0. 187" or 3 16" Diamond coating extends 0. 50" or 1 2" from the tip. 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

Old ISO #: Medium 836-027

A&M Instruments Product Code: HP909-065

Super Coarse 5909-045

Medium 806 314 199 524 015

Coarse 806 314 299 534 013

New ISO #: Medium 806 314 109 524 016

A&M Instruments Product Code: Fine 4388-0050F

Medium 876K-011

Fine 806 314 274 514 012

Coarse HP909-065C

Coarse 4378-0110C

Shank Diameter (S): 1/8"