A&M Instruments Industrial Diamond 0.189" Needle (Cone) - HP859-048Item sold individually at $9. 00 each. A&M Instruments Product Code: Fine HP859 048F; Medium HP859 048M; Coarse HP859 048C Head Diameter: 0. 189" Overall Bur Length: 1. 75" Shank Diameter: 3 32" Manufactured for medium speed rotary carving tools (up to 20,000 RPM). 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

A&M Instruments Product Code: Coarse CBN4378-0062C

Coarse HP820-060C

Coarse 6368-017

Coarse 6837-015

A&M Instruments Product Code: Fine 4374-0093F

New ISO #: Medium 806 314 111 524 012

Medium 857SE-014

Super Coarse 806 314 111 544 016

insert the accessory bit all the way into the tool and then back it out slightly before tightening down

Coarse 806 314 196 534 017

New ISO #: Fine 806 314 150 514 009

Super Coarse 5850-020