Home » Tender for The Project Involves The Supply Of Solid Carbide Drills With Specific Dimensions, Including A Diameter Of 4.2mm, Shank Diameter Of 6.0mm, Usable Length Of 21mm, Flute Length Of 36mm, And Overall Length Of 74mm. Solid Carbide Drill Dia 4.2mm, Shank Dia 6.0, India