8 Packs Serrated Masonry Drill Bit Set - 1/4 to 9/16 Inch 8 Pcs Kit Industrial & Household Drill Bit Set for Concrete,Tile,Glass,Brick,Ceramic,Plastic and Wood

Unique Serrated Design: This upgraded masonry drill bit set includes 5 pieces in various sizes (1/4X3、5/16X2、3/8X1、1/2X1、9/16X1) suitable for drilling into tile, glass, brick, concrete, ceramic, plastic, and wood

• With its Distinctive Serrated Design, this improved collection of 5 masonry drill bits—available in sizes 1/4X3, 5/16X2, 3/8X1, 1/2X1, and 9/16X1—is suitable for creating holes in tile, glass, brick, concrete, ceramic, plastic, and wood.
• Superior Build Quality: Crafted from premium carbide, these bits feature a serrated edge that enhances drilling efficiency and extends their operational lifespan.
• Widely Applicable: It works perfectly for DIY projects, home renovations, construction work, or when professional contractors handle jobs with masonry surfaces.
• Sturdy Storage Solution: Each drill kit has its own sturdy plastic case—this design lets you organize and carry the kit with ease.
• Operational Tips: Low-speed operation paired with consistent downward pressure is recommended to enhance cutting efficiency and minimize alloy drill bit abrasion. For high-hardness alloy materials, intermittent water cooling during high-temperature use is suggested to effectively increase the bit’s service life.