Wrench without Torque, for Bone Expander System | Helmut Zepf No. 47.800.05
The Wrench without Torque from Helmut Zepf GmbH (item no. 47.800.05) is the manual driver for the Bone Expander System. It engages the square fitting of the expansion screws (via adapter 47.565.02) so the helical spreader can be advanced by hand with full tactile control while the cancellous bone is expanded and condensed.
Backed by our Helmut Zepf Warranty — this instrument is warranted against defects in materials and workmanship for 1 year. Full terms and how to make a claim are on the Warranty page.
Key Features
- Manual Drive: Non-torque-limited wrench for hand-controlled screw advancement.
- Compatibility: Expansion screws 47.565.05–.09 via square-fitting adapter 47.565.02.
- Part of: Bone Expander System complete set 47.565.00.
Specifications: Helmut Zepf No. 47.800.05
| Zepf No. | 47.800.05 |
| Instrument type | Wrench without torque |
| Part of set | Bone Expander System (47.565.00) |
| Pack / sold as | Single item |
This wrench without torque limiter turns the expansion screws of the Bone Expander System by hand, giving the operator direct tactile feedback as the ridge expands. It is one of the three drive options for the system's screws.
Read the guides: Bone Expander System · Implantology & Bone Regeneration · Must-Have Implantology Instrument List · All implantology instruments · All Helmut Zepf instruments
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
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
Does this wrench limit torque?
No — it is a plain wrench without a torque-limiting mechanism, intended for tactile hand-driven expansion.

