Gem bids for Solid Carbide Boring Bar Dia. 10Mm, Min. Bore Dia.12Mm, Left Hand, Through Coolant, Iso Turninginsert Ccmt060204 For Boring Bar Dia. 10Mm, Righthand Internal Threading Holder 16Mm, Shank Dia.16Mm, Min. Bore Entry Dia. 20Mm, Standard Groundthreading Insert With Metric Full Profile 60Degree, Rh Internal 1.5Mm Pitch