Serrated Eccentric Masonry Drill Bit Set 10pcs Four Edge Concrete Drill Bits For Concrete Glass Brick Cement Tile Marble And Wood Includes 1/8 To 1/2 Inch Sizes High Cobalt Construction

High-Cobalt Serrated Masonry Drill Bit Set, 10pc
✔️ Includes 7 sizes from 1/8 to 1/2, hex 1/4 inch shank

This 10-piece set features a serrated cutting edge and high cobalt steel for extended life in tough jobs. Ideal for drilling concrete, tile, brick, marble, cement board, and wood, delivering clean, accurate holes with less wandering.

✅ Size options: 1/8, 5/32, 3/16, 1/4, 5/16, 3/8, 1/2 inch
✅ Material: high cobalt steel for wear resistance and longer life
✅ Serrated design improves chip removal for cleaner holes
✅ 1/4 inch hex shank enables quick tool changes on most drills

💡 What is a masonry drill bit used for? It's handy for making clean holes in hard materials like concrete, brick, tile, and stone. - masonry drilling basics for concrete and brick - use with steady speed and coolant for longer life - serrated edge helps with chip removal and hole accuracy