Home » Tender for Supply Of Solid Carbide Drills With A Diameter Of 25mm, Flute Length Of 90mm, And Overall Length Of 165mm, Designed For Use On Materials With A Hardness Of 300-310 Bhn. Solid Carbide Drill 25mm Dia, Fl90, Oal165mm, Suitable For 300-310 Bhn Job, India