The 330 pear carbide: the shape for preparation refinement and restorative contouring. Solid carbide cutting on the classic pear silhouette. FG 1.6 mm friction-grip shank.
SPEC: Shape: Pear (330) · Head: 0.8 mm · Cutting length: 1.6 mm · Shank: FG (1.6 mm friction-grip) · Total length: 19–21 mm · Packs: 10/pk, 50/pk, and 100/pk.
OPERATING SPEC — FG SHANK. Recommended operating speed is set by head diameter. Apply the bur to the surface only after reaching operating speed.
| HEAD DIAMETER (mm) | RECOMMENDED SPEED (rpm) |
|---|---|
| 0.6–1.0 | 75,000–150,000 rpm ◄ this head size |
| 1.2–1.4 | 60,000–110,000 rpm |
| 1.5–1.8 | 45,000–88,000 rpm |
| 2.0–2.3 | 40,000–75,000 rpm |
| 2.4–2.7 | 30,000–65,000 rpm |
| 2.9–3.1 | 25,000–56,000 rpm |
| 3.2–4.0 | 22,000–45,000 rpm |
| 4.2–5.2 | 20,000–37,000 rpm |
Light, consistent pressure — let the blades do the work. A water spray at the contact point keeps the cut clean and the carbide cool.
Item FG330 · SKU FG330 (10/pk) · FG330/100PK (100/pk).