BQ Impregnated Diamond Core Bit

Size BQ Design DCDMA
Outer diameter MAX (mm) 59.69 Outer diameter MAX (in) 2.350
Outer diameter MIN (mm) 59.44 Outer diameter MIN (in) 2.340
Inner diameter MAX (mm) 36.52 Inner diameter MAX (in) 1.438
Inner diameter MIN (mm) 36.27 Inner diameter MIN (in) 1.428
Hole diameter (mm) 60.0 Hole diameter (in) 2.36
Core diameter (mm) 36.4 Core diameter (in) 1.43
Hole area (cm2) 28.3 Hole area (in2) 4.37
Core area (cm2) 15.8 Core area (in2) 2.45

W matrix