A&M Instruments Industrial Diamond 0.093" (3/32") x 1/4" Shank Grout Removal Bit - 4814-0093SPSold individually for $14. 50 each. A&M Instruments Product Code: 4814 0093SP Grit: 120 Coarse Head Diameter: 0. 093" (3 32") Shank Diameter: 1 4" (Heavy Duty) A&M Instruments' heavy duty grout removal bit is a high speed bit with a diamond impregnated tip on a 1 4 steel shank. For use with rotary tools and hand drills. Ideal for clean, fast removal of wall, floor and corner grout 1 8" wide. Removes both sanded and non sanded grout. For best results,

Medium 825-016

Coarse 6862-026

A & M Instruments manufactures diamond rotary tools for endless industrial applications including glass and stone

Old ISO #: Ultra Fine 3274KS-014

New ISO #: Coarse 806 104 304 534 065

New ISO #: Medium 806 314 068 524 043

Sold individually for $58

A&M Instruments Product Code: 4818-0062

A&M Instruments Product Code: 4018-0109

Old ISO #: Fine 8805-012 Medium 805-013

Coarse 806 314 196 534 017

Extra Fine 1862-014