OrthoMASTER Tweed / Angle Arch Bending Pliers - Made Of forged High Carbon Steel (Wire 0.56 x 0.70 mm / 22 x 28) | Helmut Zepf No. 33.710.31
The arch bending plier from Helmut Zepf is a precision orthodontic instrument designed for accurate wire shaping and manipulation in clinical settings. Built to meet the demands of modern orthodontic practice, this tool delivers consistent, reliable performance for professionals who require exacting results.
Product Overview
The OrthoMASTER Tweed / Angle Arch Bending Pliers are engineered for handling wire dimensions of 0.56 x 0.70 mm (22 x 28). Constructed from forged high carbon steel, this arch bending plier offers exceptional strength, durability, and resistance to deformation under repeated clinical use. The forging process ensures a dense, uniform grain structure throughout the instrument, contributing to its long service life and reliable bending performance.
Key Features
- Maximum wire capacity: 0.56 x 0.70 mm / 22 x 28
- Manufactured from forged high carbon steel for superior strength
- Precision-ground tips for accurate wire engagement
- Designed for Tweed and Angle arch bending techniques
- Made in Germany to exacting quality standards
- Helmut Zepf No. 33.710.31
Why Choose This Arch Bending Plier?
As an arch bending plier trusted by orthodontic professionals, this instrument from Helmut Zepf reflects decades of German manufacturing expertise. The use of forged high carbon steel ensures that the working tips maintain their geometry even after repeated sterilization cycles and intensive clinical use. Whether performing Tweed mechanics or Angle arch adjustments, this instrument provides the tactile feedback and control that precise orthodontic work demands.
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 wire sizes is this arch bending plier compatible with? This instrument is rated for a maximum wire capacity of 0.56 x 0.70 mm (22 x 28).
What material is used in construction? The pliers are made from forged high carbon steel, ensuring durability and resistance to wear over extended clinical use.
Is this instrument autoclavable? As a professional-grade orthodontic instrument, it is intended for use in clinical environments; please follow your practice's sterilization protocols for high carbon steel instruments.
Compare With
| Manufacturer | Reference |
|---|---|
| Hu-Friedy | 678-308 (Rectangular Arch Bending, .070" blade); 678-307 (.050" blade) |
| American Orthodontics | Luno® 001-017398 (Tweed Style Rectangular Arch Bending, to .022 × .025"); 678-308A |
| 3M Unitek | 900-703 (Prestige Tweed Rectangular Arch-Forming, .070" blades, to .021 × .025"); 900-721 (Arch Bending) |
| Ormco | ETM 800-0810 (810, Rectangular Arch Forming, Tweed style); Tweed D.F.5: 803-0125 |
| Dentaurum | Angle/Tweed Ribbon Arch 003-442-00 (to 0.56 × 0.70 mm; hard-metal inserts) |
| Dentsply Sirona (GAC) | ODG810 / ODG810S (Tweed, long/short tips) |
| Rocky Mountain (RMO) | Schweickhardt I00442 (arch forming); Apex T00442 (Tweed, .021 × .025) |
| Dentronix | DE210 (Tweed); DE210T (short jaw); .022 × .028 |
Manufacturer literature: ZEPF Ortho Master Catalog (K/25 Ortho E) (PDF) — more in our Orthodontic Instrument Library.
