FEWELL Masonry Drill Bits 10 Pcs, Concrete Drill Bit Set Size 1/8" to 1/2", Professional High Cobalt Drill Bit Set for Tile Glass/Metal Brick Concrete Ceramic Plastic Wood

Features

• 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 7 different sizes: 1x1/8"(3 mm),1x5/32"(4 mm),2x3/16"(5 mm),2x1/4"(6 mm),2x5/16"(8 mm),1x3/8"(10 mm),1x1/2"(12 mm);Easily meet variety of needs
• WidelyI 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