Depth Gauge - ZEPF-Line Handle and Interchangeable M4 x 0.5 mm Tip, Graduation: 8-10-12-14-16-18 | Helmut Zepf No. 31.691.00
The Depth Gauge from Helmut Zepf is a precision dental measurement instrument engineered for reliable and repeatable depth readings in clinical procedures. Featuring the ZEPF-Line handle and an interchangeable M4 x 0.5 mm tip, this instrument combines ergonomic design with functional versatility.
Key Features
- Graduation: 8 – 10 – 12 – 14 – 16 – 18 mm for clear, incremental depth readings
- Interchangeable tip: M4 x 0.5 mm thread for easy replacement and instrument longevity
- ZEPF-Line handle: Ergonomically designed for confident grip and precise control
- Helmut Zepf No.: 31.691.00
Instrument Details
This Depth Gauge is designed to assist dental professionals in accurately measuring pocket depths, implant sites, and other clinical dimensions. The clearly marked graduation scale — spanning 8, 10, 12, 14, 16, and 18 mm — allows for swift, confident readings without compromising sterile technique. The interchangeable tip design ensures that clinicians can maintain the instrument's accuracy over time through straightforward tip replacement.
Manufactured by Helmut Zepf GmbH, this instrument upholds the quality standards associated with German dental instrument craftsmanship.
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 is the graduation range of this Depth Gauge? The graduation scale covers 8, 10, 12, 14, 16, and 18 mm increments, suitable for a range of clinical measurement needs.
Is the tip of this Depth Gauge replaceable? Yes, the instrument features an interchangeable M4 x 0.5 mm tip, allowing for simple and cost-effective maintenance.
Who manufactures this instrument? This Depth Gauge is produced by Helmut Zepf GmbH, a German manufacturer of dental instruments.
Compare With
| Brand | Bone Calipers & Depth Gauges (Krekeler, ZEPF-Line) – Base Designation |
|---|---|
| Hu-Friedy | CLC40C / CLC40L (Castroviejo) |
| Karl Schumacher | C-CAL0005 (Castro) / C-CAL0300 (sliding implant) |
| ACE Southern | 08-000-52 / 08-000-59 / 714-0243 |
| A. Titan | OC / OC-Short / OCRA |
| Salvin | CASTRO-CAL / RIDGE-CALIPER / CALIPER-SLIDING |
| Miltex | 68-699 (Castroviejo) / 68-698 (ridge mapping) |
| PDT | T852 / T853 / T855 (Castroviejo / width-depth / ridge mapping) |
Base pattern designations shown. Same clinical pattern, not identical manufacture — see our Surgical Instrument Comparison Chart.
Manufacturer literature: ZEPF Dental Catalog (PDF) — more in our Catalogs & Product Library.
Specifications: Helmut Zepf No. 31.691.00
| Zepf No. | 31.691.00 |
| Instrument type | Depth gauge |
| Working end | Interchangeable M4 x 0.5 mm tip, graduation 8 / 10 / 12 / 14 / 16 / 18 mm |
| Handle | ZEPF-Line |
| Pack / sold as | Single instrument |
This depth gauge is placed into the osteotomy to read its depth against the 8–18 mm graduation before the implant is selected. The interchangeable M4 x 0.5 mm tip unscrews from the ZEPF-Line handle for replacement.
Read the guides: Calipers · Implantology & Bone Regeneration · Must-Have Implantology Instrument List · All implantology instruments · All Helmut Zepf instruments
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.
