About This

• 1/4 Inch Hex Shank Design : This tungsten steel concrete drill bit set features a 1/4 inch hex shank , engineered specifically for high strength , high precision drilling tasks . The hex shank ensures a secure connection with drills , making it ideal for home DIY enthusiasts , renovation workers , and construction professionals alike
• Dual U Groove Design for Enhanced Efficiency : Equipped with dual U shaped grooves , the concrete drill bit enable faster chip removal , better heat dissipation , and more stable cutting . The balanced force distribution reduces vibration during drilling , improving hole precision while significantly extending the tool's service life . Tip: Continuous water cooling during drilling is recommended to further prolong the drill bits' life
• 6 Versatile Sizes to Meet Diverse Needs : The concrete drill bit set includes 6 common sizes with sufficient quantities: 4 pieces of 5/32 inch , 4 pieces of 3/16 inch , 4 pieces of 1/4 inch , 1 piece of 5/16 inch , 1 piece of 3/8 inch , and 1 piece of 1/2 inch . This variety covers most daily and professional drilling requirements
• Efficient and Stable Drilling : Whether drilling through tiles for wall mounting , processing glass or ceramics , or tackling other hard materials , these concrete drill bit set deliver efficient , stable , and long lasting performance . They maintain sharpness even after repeated use , ensuring consistent drilling results without frequent replacements
• Wide Compatibility : Beyond common construction materials , this masonry drill bit can easily drill through concrete , bricks , glass , ceramics , tiles , cement , and stainless steel plates (thickness less than 2mm) . It adapts to both household repairs and professional construction scenarios

Overview

• Material : Tungsten Steel
• Shank Type : Hex
• Brand : MLYNZXJSY
• Tool Flute Type : Spiral
• Surface Recommendation : Brick, Concrete, Stainless Steel, Tile