The Diamond Inverted Cone Bur 805-018 is a precision-engineered dental bur designed for creating undercuts and retentive cavity preparations. Its inverted cone head that is wider at the tip provides smooth, consistent performance across a wide range of clinical procedures. Key Features Shape: Inverted Cone — inverted cone head that is wider at the tip Material: Premium diamond grit bonded to a durable stainless steel shank Shank: FG (Friction Grip) — compatible with standard high-speed handpieces Grit Options: Available in Super Fine, Fine, Medium, Coarse, and Super Coarse Common Applications Creating mechanical undercuts Amalgam cavity retention Flattening cavity floors Removing old restorations Why Choose Koyo Dental? All Koyo Dental burs are manufactured to strict quality standards and shipped from our US warehouse in Irvine, CA. Enjoy factory-direct pricing, same-day shipping, and consistent cutting performance across every bur in the pack.