Periodontal Probe Inserts, Interchangeable - CNC North Carolina (UNC 15), M4 x 0.5 mm, in 1 mm Steps, from 1-15 mm | Helmut Zepf No. 24.455.06
Periodontal Probe Inserts from Helmut Zepf GmbH offer clinicians a precise, interchangeable solution engineered to the exacting standards expected in modern periodontal assessment. Designed under the CNC North Carolina system, these inserts feature an M4 x 0.5 mm thread and are graduated in 1 mm steps from 1 to 15 mm, enabling accurate and consistent pocket depth measurements across a full range of clinical presentations.
Key Specifications
- System: CNC North Carolina
- Thread: M4 x 0.5 mm
- Graduation: 1 mm steps, from 1 mm to 15 mm
- Design: Interchangeable insert format
- Reference: Helmut Zepf No. 24.455.06
Why Choose These Periodontal Probe Inserts
Periodontal Probe Inserts of this caliber are essential for clinicians who demand reliability and repeatability. The interchangeable design allows for efficient instrument management, reducing chair time and supporting streamlined sterilisation workflows. Manufactured in Germany, these inserts reflect Helmut Zepf's longstanding commitment to quality and precision engineering.
The CNC North Carolina compatibility ensures that these Periodontal Probe Inserts integrate seamlessly with the corresponding handle systems, providing a secure and stable fit during examination. The fine 1 mm graduation markings from 1 to 15 mm allow for detailed documentation of periodontal pocket depths, supporting accurate diagnosis and treatment planning.
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 thread size do these inserts use? These inserts use an M4 x 0.5 mm thread, compatible with the CNC North Carolina handle system.
What is the measurement range of these Periodontal Probe Inserts? The inserts are graduated in 1 mm steps, covering a range from 1 mm to 15 mm.
Are these instruments made in Germany? Yes, these Helmut Zepf instruments are manufactured in Germany to high quality standards.
Compare With
| Brand | UNC 15 / North Carolina (1–15 mm) – Base Designation |
|---|---|
| Hu-Friedy | PCPUNC15 |
| American Eagle | AEPUNC15RB |
| PDT | R198 |
| Nordent | PCN15 |
| Premier | CC-1003684 / CV-1003640 / PremierAir-1003635 |
| LM-Dental | 54B |
| A. Titan | UNC 15 |
Base pattern designations shown. Same clinical pattern, not identical manufacture — see our Hygiene Instrument Comparison Chart.
Manufacturer literature: ZEPF Dental Catalog (PDF) — more in our Catalogs & Product Library.
