Masonry Drill Bit Set 5Pcs, Concrete Drill Bits with Carbide Tip (1/4”-1/2”)

• 【Industrial Grade】amoolo concrete drill bit,industrial strength carbide drill bit tip with revolutionary pyramid design ensures hardness, abrasion resistance and drilling power. Able to easily penetrate various materials.
• 【Popular Size】The masonry drill bit set includes most popular diameter range:1/4"(6mm)*2pcs, 5/16”(8mm)*1pcs, 3/8”(10mm)*1pcs, 1/2”(12mm)*1pcs. Fits most drill tools like hand drill,charging drill,bench drill etc.
• 【Multi-Functional】Augtouf concrete drill bit set, ideal for drilling holes on concrete, brick, glass, ceramic, tile,wood, and soft metal.Please control the speed when drilling,and use water for cooling or lubrication if necessary.
• 【High-Efficiency&Long Life】U Type Slot design enables fast and efficient dust removal;3-Flats Shank allows drill bit to be easily plugged without slipping;YG8 tungsten carbide tips with higher hardness and wear-resistance ensures a longer performance life.