FEATURES HIGH-QUALITY MATERIAL Constructed with 6542 HSS Carbide and an enhanced head which helps to prevent bit fractures; this twist drill bit collection is made from robust and resilient alloy for extended durability. INNOVATIVE DESIGN: Features a U-shaped slot that allows for quick dust extraction, while the antiskid triangular handle ensures a secure and stable grip on the power drill. VERSATILE USAGE: The spear-pointed design equipped with a strong tungsten carbide tip allows for easy penetration into various materials such as tile, concrete, brick, glass, plastic, and wood, minimizing breakout. DRILL BIT SET CONTAINS 4 SIZES: 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"). NOTE When drilling through tough materials like glass, porcelain floor tiles, marble, granite, etc. be sure to use water for lubrication. PRODUCT DESCRIPTION Crafted from high-grade cemented carbide, the Multi-Material Twist Drill Bit is designed to prevent cracking and enhance longevity. This drill bit serves as a 2-in-1 solution, capable of replacing both a glass & tile drill bit and a standard drill bit. The pointed carbide design allows for effortless penetration through various materials. Featuring a U-shaped slot, it enhances the removal of chips and speeds up the drilling process. SPECIFICATIONS Material Sturdy Alloy Tool Holder Type Triangular Handle Cooling Type Outer Cold Blade Top Corner 135° Category Hole Expansion Drill PACKAGE INCLUDES 1 set of Multifunctional Drill Bits (2PCS * 6mm, 1PC * 8mm, 1PC * 10mm, 1PC * 12mm)