WORKSITE Durable Concrete Drill Bit – Inches.  High-Speed Bit. Suitable For Drilling In Concrete Surfaces. High Quality Multi-Purpose Drill Bit Set: Tipped For Prolonged Life And Heavy-Duty Use. Can Be Used In Standard Drills. – XMDB008

Product Description

Exquisite Craftsmanship: The surface of the drill bit is treated by fine polishing, and the new electroplating process can prevent the drill bit from rusting and prolong the life of the drill bit.
Special Design: Allows drill bit to be held tightly and stably in power drill.
High Quality Multi-purpose Drill Bit Set: Tipped for prolonged life and heavy-duty use.
Cut Perfect Circles Holes: Suitable for concrete. When drilling hard material please use water for lubrication.