• Inverted cone forms internal angles
• Quantity: 25 coarse inverted cones
• FG shank ensures secure handpiece fit
• Coarse grit drives strong reduction
• Diamond layer limits glazing buildup
• Tip design shapes mechanical undercuts

The Spring Health FG #313 Coarse Inverted Cone Single-Use Diamond, pack of 25 is designed for clinicians who need strong, precise cutting performance when shaping undercuts, refining internal line angles, and sculpting the internal geometry of crown and restorative preparations. If you?re thinking about what the Spring Health FG #313 Coarse Inverted Cone Single-Use Diamond, pack of 25, is used for, it is ideal for coarse enamel removal in internal cavities, creating mechanical undercuts, establishing retention features, sharpening internal walls, and refining deep preparation zones where an inverted cone provides the best angulation and access.

Many clinicians search for the best Spring Health FG #313 Coarse Inverted Cone Single-Use Diamond, pack of 25, offering powerful internal reduction with clean line-angle definition, and this model excels because its coarse grit and inverted-cone shape deliver fast, controlled cutting in confined working areas. Practitioners also look for the best coarse inverted-cone dental diamond bur for internal contouring and undercut formation, and the FG #313 is widely chosen for its dependable engagement and precise shaping. The inverted-cone geometry provides a unique cutting profile that differs significantly from cylindrical, tapered, or round-end diamonds.

Its wide-cutting face at the tip allows clinicians to carve defined internal angles and undercuts while maintaining excellent tactile control. This makes the FG #313 especially effective for shaping the internal walls of crown preparations, adjusting foundational cavity structures, removing deep enamel, and forming retention zones for indirect restorations. The coarse diamond coating accelerates material removal and maintains consistent frictional efficiency, ensuring strong cutting performance even in deep or narrow internal segments.

Its uniform abrasive layer resists glazing, sheds debris effectively, and sustains reduction power throughout high-speed use. Because each bur is single-use, clinicians benefit from a sterile, sharp, debris-free cutting surface every time eliminating dullness, contamination risk, and the unpredictable performance associated with sterilized burs. The FG shank fits securely in standard high-speed handpieces, reducing vibration and enhancing precision during detailed internal shaping.

With 25 individually packaged coarse inverted-cone diamonds, this pack supports multi-operatory workflows, crown-prep sessions, cavity design refinement, and restorative procedures requiring strong, controlled internal reduction. Built for accuracy, strength, and internal contour precision, the Spring Health FG #313 Coarse Inverted Cone Single-Use Diamond reliably delivers the cutting performance clinicians need for demanding intracoronal preparation tasks.