Hex Shaft Diamond Drill Bit For Concrete EA811AS-14.5

【Product Specifications】
・Hex shank-6.35mm
・It is specially designed for rotation, and drills quietly without spilling much chips.
・For drilling concrete (not for iron bars), mortar, blocks, extrusion molding cement plates, bricks, and tile anchorage preparation holes
・Blade tip dia.-14.5mm
・Effective length-55mm
・Length-90mm