4-piece drill bit set, professional concrete drill bit set with carbide cross drill bits

High-quality drill bit set: masonry drill bit set, industrial-grade carbide drill bits with excellent wear resistance, making drilling easier.

SUPERIOR QUALITY DETAILS: The double U-channel design allows for fast drilling and dust removal.

The tri-flat shank ensures easy drill bit insertion and a secure grip, while the solid carbide tip extends the life of the masonry drill bit. Meet all your needs: This set includes 4 drill bits: 6 mm, 8 mm, 10 mm, and 12 mm, a total of 4 different sizes of cement drill bits, allowing you to start with the smallest bit and drill to the size you need. Fast penetration: This masonry drill bit is suitable for most electric drills, hand drills, and bench drills. Versatility: These masonry drill bits are perfect for drilling fixing holes in bathroom tiles, ceramic planters, or wall mirrors. They easily drill through tile, concrete, brick, glass, ceramic, and wood while reducing breakage. Use water for cooling and to control the speed while drilling.