CMF System Drill Bit - Ø 0.9 mm, Drilling Depth 9 mm, Shank: RA | Helmut Zepf No. 08.523.09
The CMF system drill bit 0.9mm dental bur from Helmut Zepf is a precision-engineered rotary instrument designed to meet the exacting demands of craniomaxillofacial and oral surgical procedures. With a working diameter of 0.9 mm and a drilling depth of 9 mm, this bur delivers controlled, accurate penetration suited to delicate anatomical structures.
Key Specifications
- Diameter: Ø 0.9 mm
- Drilling Depth: 9 mm
- Shank: RA (Right Angle / Contra-Angle)
- Article No.: Helmut Zepf 08.523.09
Precision Engineering for CMF Procedures
As a CMF system drill bit 0.9mm dental bur, this instrument is manufactured in Germany to Helmut Zepf's rigorous quality standards. The RA shank ensures compatibility with standard contra-angle handpieces, offering stable torque transfer and consistent rotational performance during surgical drilling. The compact 0.9 mm diameter is particularly suited for applications requiring minimal tissue disruption and precise osteotomy control.
Made in Germany
Helmut Zepf instruments, including this CMF system drill bit 0.9mm dental bur, are produced in Germany, reflecting decades of craftsmanship, metallurgical expertise, and commitment to clinical reliability. Surgeons and clinicians can depend on consistent geometry, edge retention, and dimensional accuracy across every unit.
1-Year Warranty
This Helmut Zepf instrument is covered by a 1-year warranty against defects in materials and workmanship from the date of delivery.
60-Day Returns — Any Reason, Even If Used
Put this instrument to work in your practice. If it is not right for you, return it within 60 days of delivery for a full refund — for any reason, even if it has been used.

FAQ
What shank type does this drill bit use? This bur features an RA (Right Angle / Contra-Angle) shank, compatible with standard contra-angle handpieces.
What is the drilling depth of this bur? The drilling depth is 9 mm, suitable for controlled depth penetration in CMF surgical applications.
Is this instrument reusable? Please refer to Helmut Zepf's product documentation and your clinical protocols for guidance on reprocessing and reuse.
Manufacturer literature: ZEPF CMF System flyer (PDF) — more in our Surgical Instrument Library.
Backed by our Helmut Zepf Warranty — lifetime on extraction and explantation forceps, one year on every other Zepf instrument. Full terms and how to make a claim are on the Warranty page.
