Because of this, dust masks or respirators are essential when using masonry drill bits, even for a short time. Concrete dust in particular is especially dangerous to your respiratory system, and contains microscopic silica particles that can cause short-term breathing issues, and long-term lung damage. The dust created by drilling into concrete, brick, and stone, is harmful to humans in several ways, so it’s important to use the proper safety precautions. That said, working with masonry is especially hard on drill bits, and even the most durable options are going to wear out quicker than you think. But, if you know exactly what you’re using your bit for, like drilling a pilot hole in a concrete wall, and don’t have the need or budget for a full set, masonry drill bits can be purchased individually. If you want to be prepared for a variety of drilling tasks, I recommend purchasing a set with a range of sizes, in particular, 1/4- and 5/16-inch options. Drill bits with hex shanks fit into regular cordless drills, and bits with SDS+ shanks only fit rotary hammer drills. These drill types have different chucks–the opening that holds the bit in place–which only accepts a certain type of shank–the end of the bit that fits into the chuck. It’s essential that your masonry drill bit is compatible with the drill you plan on using, whether that’s a standard drill with a hammer mode setting, or the larger rotary hammer drill. These hollow saws use a diamond coating to grind through stone, removing a solid core that is then ejected using an opening on the side of the saw. Hole Saw: For cutting large holes through extra-hard material like granite or porcelain, a masonry hole saw is best.Four-Cutter Head: Drilling through heavy-duty material, like concrete that contains rebar- a steel rod used to reinforce concrete-requires a beefier 4-cutter head.Two-Cutter Head: Most masonry bits are designed with two cutting blades on their head to chew through material, which are well-suited for drilling small holes to insert concrete screws or anchors. Masonry drill bits have different head types for various applications, so make sure you’re using the right one for the job: If you’re working with particularly hard materials, like stone or porcelain, a specialty bits with diamond coating are needed. Always make sure your masonry drill bits are made with tungsten carbide tips, which is strong enough to work effectively, and without wearing out too quickly. Materialīoring through concrete is tough work, so masonry drill bits need to be extremely hard to get the job done. If you’re creating a hole for concrete screws or wall anchors, check the packaging to find out the proper bit size to use (some screw or anchor sets supply the correct bit needed, but I’ve found these to be of generally lower quality than the brands on our list). Just like other drill bit types, masonry drill bits are available in a range of sizes, so make sure you choose the right size for your specific task. Best Budget Set: DEWALT Masonry Drill Bit Set. Best Rotary Hammer Drill Set: BOSCH Carbide-Tipped Rotary Hammer Masonry Drill Bit Set.
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