5PCS Masonry Drill Bit Set, MasonryDrillBit with Industrial Strength Carbide Drill Bit Tip, 1/4"-1/2"
The masonry drill bit set are suitable for most general drill . electric drill . hand drill and bench drill . strong tungsten carbide drill bits tip and longer service life of masonry drill bit . the double U-type groove slot design brings fast drilling dust remove . and 3-flats shank allows drill bit easy plug and to be held tightly. Concrete drill bit ideal for glass . plastic . cement . wood . ceramic . soft metal . brick . garden pot . marble . pickguard . mirrors . windows . stainless steel . glass bottles . home DIY . and building or engineering use etc. Safety Tips; Universal handle for electric drills and bench drills . not fit for impact drills. When drilling . please use water for cooling lubrication . (water is the key to estending drill bits service life) for products with large thickness . if there is abnormal chip discharge . please remove the debris in time. After the drill bit is used . please dry the water or apply the oil to prevent rusting. 5PCS Masonry Drill Bit Set include 2x Masonry Drill Bits 1/4" (6mm) 1 x Masonry Drill Bit 5/16"(8mm) 1 x Masonry Drill Bit 3/8"(10mm) 1 x Masonry Drill Bit 1/2"(12mm) 1 x Storage case