A&M Instruments Stoneworking Demi Bullnose 3/8" Radius Plated Diamond Router Bit for Marble - DBN 0.37Sold individually for $75. 00 each. A&M Instruments Product Code: DBN 0. 37 Material: Marble Grit: 35 40 Coarse; 120 140 Fine Head Diameter: For 3 8" Radius Shank Diameter: 1 2" Used for edging 3 8" to 1 2" thick marble or granite (see product description). Diamond metal bond impregnated type for granite, nickel plated type for marble. For almost 40 years customers around the world have depended on A & M Instruments for high precision Diamond Cutting

Mandrel sold separately

Coarse 806 314 039 534 034

A&M Instruments Product Code: Fine 4378-0075F

Old ISO #: Medium 825-050

Item sold individually at $10

New ISO #: Ultra Fine 806 314 555 494 014

A&M Instruments Product Code: Fine 4378-0055F

A&M Instruments Product Code: FGCAR7408

New ISO #: Fine 806 314 150 514 013

A&M Instruments Product Code: H2

A&M Instruments Product Code: HPC58

FGCAR170 - $2