Top 9 Best Drill Bit For Cinder Blocks

✔Satisfaction Guaranteed: We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.
✔Cut Perfect Circles Holes: Suitable for glass, tile, wood, ceramic, etc. When drilling hard material (glass, porcelain floor tile), please use water for lubrication.
✔Multiple Sizes: 2x 6mm(1/4"), 1x 8mm(5/16"), 1x 10mm(3/8"), 1x 12mm(1/2"). Set comes with durable plastic case for safekeeping.

✔SATISFY ALL YOU DEMAND; Package includes 5 Pcs drill bit set: 1/4", 1/4", 5/16", 3/8", 1/2", there are 4 differenct concrete drill bit sizes that will help in drilling by starting with the smallest bit and continuing to the size needed.
✔ANTI-SLIP TRIANGLE SHANK: ensures a tight fit and is suitable for electric drill, hand drill and bench drill. Not suitable for impact drills.
✔HIGH HARDNESS, DURABL: High-quality Tungsten carbide, and carbide with a reinforced head that prevents bit cracking and provides a longer life, the hardness is higher than the ordinary drill bit.

✔Laser welded concrete hammer core bit fits your standard drill.
✔3 in concrete hole saw dry or wet use drilling holes in concrete block, brick, stones, basement walls, foundations, tile, marble, granite countertop, ceramic, porcelain, stucco, slate, slab
✔Industrial heavy duty, commercial quality, durable 3 inch core drill bits for concrete, exactly 3 inches diameter

✔Concrete core bit fits your standard drill with no adapter needed
✔2 in concrete hole saw dry or wet use drilling holes in stucco, concrete block, brick, stones, basement walls, foundations, tile, marble, granite countertop, ceramic, porcelain
✔Commercial quality, durable 2 inch core drill bits for concrete, exactly 2 inches diameter

✔【 WARRANTY 】If you are not fully satisfied for any reason, please contact us via Amazon for 100% refund or replacement.
✔【 11 PIECES SATISFY ALL YOU DEMAND】Masonry Drill Bit Set includes : 1/8" (3"Length*2), 1/4" (4"Length*2), 1/4" (6"Length*2), 5/16 (6"Length*2), 3/8" (6"Length*2), and 1/2" (6"Length*1).

✔Laser welded diamond concrete hammer core bit fits your standard drill. If abused, this hole saw will no last more than a few uses.
✔4 in concrete hole saw dry or wet use drilling holes in concrete block, brick, stones, basement walls, foundations, tile, marble, granite countertop, ceramic, porcelain
✔Durable 4 core drill bits for concrete, exactly 4 inches diameter. Tool Life: 7 to 10 holes in concrete.

✔Concrete hammer core bit fits your standard drill.
✔1-1/4 in concrete hole saw dry or wet use drilling holes in concrete block, brick, stones, basement walls, foundations, tile, marble, granite countertop, ceramic, porcelain, stucco, slab, slate
✔Industrial heavy duty, commercial quality, durable core drill bits for concrete, exactly 1-1/4 inches diameter

✔LIFETIME GUARANTEE - Here at Owl Tools (USA Based Company) we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.
✔CONVENIENT STORAGE CASE - Keeps Your Masonry Drill Bits Safe & Organized in a Rust-Free Hard Plastic Container
✔MULTI-MATERIAL DRILL BITS - Easily Drills through Ceramic Tile, Glass, Cinderblock, Hard Plastic, Cement, Concrete, Mirrors, Windows, Travertine, Brick, Wood, and So Much More!

✔✿ 【Your Satisfaction Guaranteed】We ensure Masonry Drill Bits Set is quality. If you are not satisfied, please contact us immediately. Our US after-sales service team is available 24 hours a day. No risk to buy!
✔✿ 【Wide Range of Applications】Fast and efficient drilling through tiles, glass, cinder blocks, hard plastic, cement, concrete, mirrors, windows, travertine, bricks, wood and more! Including 3/16 ", 1/4", 5/16 ", 1/4", 5/16 ", 3/8", 1/2 "
✔✿ 【High-quality Materials】 Made of high-quality steel, all of which are made of high-quality carbon steel after heat treatment. It has a variety of properties such as durability, rust resistance, and new scientific spiral chip removal space design to speed up chip removal and improve work. Efficiency saves time and effort.