US No. 1158 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 21R 012 – FG | Pack of 6
The carbide cylinder round fissure dental bur from Busch & Co. GmbH is a precision-engineered instrument designed for reliable cavity preparation and fissure work in clinical dentistry. Manufactured in Germany to exacting standards, this bur delivers consistent cutting performance and long-lasting durability across a wide range of restorative procedures.
Product Details
- Type: Carbide, Cylinder Round, Excavating and Fissure Bur
- Standard Classification: ISO: 500 314 137 006 012
- US No.: 1158
- Shank: FG (Friction Grip)
- Pack Size: 6 burs per pack
Applications
The carbide cylinder round fissure dental bur is well-suited for the following clinical procedures:
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Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Instrument Dimensions
| Head Ø | 1.2 mm (ISO size 012) |
|---|---|
| Shank | FG (Friction Grip) — 1.60 mm Ø, 19 mm overall length (ISO 314) |
Per ISO 6360, the size number is the maximum head diameter in tenths of a millimeter. See our Busch Bur Size Chart for the full size conversion table, shank codes, and color ring guide.
Why Choose This Bur?
As a true carbide cylinder round fissure dental bur, this instrument offers the precise geometry required for clean, well-defined cavity walls. The cylinder round form ensures predictable cutting depth and a smooth finish, reducing the need for additional finishing steps. The FG shank is compatible with standard high-speed handpieces used in modern dental operatories.
Busch & Co. GmbH has a long-standing reputation for manufacturing high-quality rotary instruments. Each bur in this pack reflects the craftsmanship and material integrity expected from German-engineered dental tooling.
Busch Warranty & 90-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused product in original packaging can also be returned or exchanged within 90 days of your invoice date. Full terms are on our Warranty page.
FAQ
What shank type does this bur use? This bur features an FG (Friction Grip) shank, compatible with standard high-speed dental handpieces.
How many burs are included in a pack? Each pack contains 6 burs.
What is the ISO classification for this bur? The ISO classification is 500 314 137 006 012.
Is this a genuine carbide cylinder round fissure dental bur? Yes, it is a carbide cylinder round fissure dental bur manufactured by Busch & Co. GmbH in Germany.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21R.314.012 |
| Brasseler USA | H21R.31.012 |
| Meisinger | HM21R-012-FG |
| SS White | 310199 |
| NTI (Kerr Rotary) | FG1158-KC0 |
| Alpen (Coltène) | R101158 |
| Karl Schumacher | BCO1158F |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
This is a US No. 1158. See all 2 Busch versions — materials, shanks, cuts and packs — on our US No. 1158 page.
US No. 1158 Busch Carbide Straight Fissure (Cylinder) Round Bur | B...
