10-Piece Masonry Drill Bits Kit For Concrete, Stone, Carbide Set For Glass, The 10-Piece 1/4inch hex shank Carbide Hammer Drill Bits use sharpened carbide tips to deliver faster drilling into masonry materials and longer life in concrete. More efficient design with a precision ground tip enables these bits to deliver faster starts and reduce tip walking in concrete, brick and block. The carbide-tipped masonry drill bits equipped with wide flute design remove dust speed faster, reduce heat more efficient All 10 bits are equipped with a 1/4 in. Hex Shank, as a result our Drill Bits are the ideal solution for drilling concrete, walls, bricks, ceramic, wood, glass, tiles, stainless steel and more with both impacts and hammer drills/drivers. Package includes? 1 x 5/32 in. diameter, 3.46 in. length 1 x 3/16 in. diameter, 3.7 in. length 4 x 1/4 in. diameter, 3.93 in. length 2 x 5/16 in. diameter, 4.17 in. length 1 x 3/8 in. diameter, 4.56 in. length 1 x 1/2 in. diameter, 5.03 in. length Add Tool Versatility - Our Concrete Drill Bits Kit includes on 5/32 in. on 3/16 in, four 1/4 in. two 5/16 in. one 3/8 in. one 1/2 in bits 1/4 in. Hex Shank - All 10 drill bits are equipped with the most common 1/4 in. hex shank providing ideal solution for drilling with both impacts and hammer drills/drivers Fast Durable - 10-Piece Large Carbide Hammer Drill Bit Kit uses sharpened ground carbide tip to deliver faster drilling into masonry materials and longer life in concrete Wide Capacity - ideal for drilling concrete, walls, bricks, ceramic, wood, glass, tiles, stainless steel and more; while drilling harder materials, Water or coolant is highly recommended. Efficient- These bits deliver faster starts and less walking in concrete, brick and block; Wide Flute Design providing fast dust remove ability and reducing heat