5PCS Premium 4-Flute Drill Bit Set

FEATURES TUNGSTEN STEEL BUILD – Engineered with ultra-durable tungsten steel for superior hardness and performance. Easily penetrates tough surfaces like marble, tile, granite, and glass with minimal effort. CHIP REMOVAL – This drill bit set delivers superior chip evacuation, keeping holes clean and preventing clogging. Allows for smoother, faster, and cleaner drilling with reduced resistance. FAST HEAT DISSIPATION – Advanced flute design ensures rapid heat dissipation during high-speed drilling, reducing wear and extending the lifespan of the bits—even in dry drilling conditions. DUAL-USE DRILLING PERFORMANCE – Engineered for both dry and wet drilling, this set handles everything from delicate tile and glass to stainless steel and copper with ease and precision. UNIVERSAL SHANK FIT – Compatible with most handheld drills. Standard shanks ensure a tight, non-slip fit for stable, controlled drilling. SPEC Material: Tungsten Steel  Size: 6mm, 8mm, 10mm, 12mm Hardness: 93HRC Compatibl