【Alloy 】Concrete drill bit is made of high cobalt , which is more advanced than YG6X, which increases wear-resistance and extra longer life span, so that the drill bits last through multiple uses.
【ACCURATE AND PRECISE】: Precision unique cross angle design ground spear tip reduces bit skating and walking; superior tile cutter run through ceramic tile like butter, extremely neat and fast.
【Size Information】Cement drill bit set Includes 5 different sizes: 2* 3/16” (5mm), 4* 1/4” (6mm), 2* 5/16” (8mm), 1* 3/8” (10mm) and 1* 1/2”(12mm). Easily meet variety of needs.
【WIDELY APPLICATION】: Tile drill bits for Glass, Ceramic, Tile, Mirror, Plant Pots, Wood, Porcelain, Brick Wall, marble, thin iron plate etc. Please try to keep the drill vertical and keep bits cool with a flow of cooling water; DON’T use on hard tile.
【QUICK CHANGE】: 1/4” Hex Shank fits into all power tools more easily and securely; compatible with Milwaukee and other general electric hand drill, bench drill with locking into quick change chuck.

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