
Built for surface conditioning and decorative finishing on metal components, the Dynabrade 13400 Dynisher Air-Powered Abrasive Finishing Tool combines a 0.7 HP air motor with 3,400 RPM free speed to support cleaning, blending, polishing, and surface refinement with compatible abrasive accessories. Compared with the compact Mini-Dynisher models, the Dynisher configuration provides a higher-power platform for fabrication and maintenance work where operators need controlled abrasive action across larger work areas or more sustained finishing operations.
The Dynabrade 13400 gives metal fabricators, maintenance technicians, and finishing professionals a pneumatic tool for refining stainless steel, aluminum, and other metal surfaces. Its 3,400 RPM operating speed supports productive surface conditioning without the extremely high rotational speeds associated with die grinders, helping the operator use compatible finishing accessories for blending surface imperfections, cleaning fabricated parts, refining weld areas, and producing decorative finishes. Accessory selection should match the workpiece material, required finish, mounting configuration, and rated operating speed.
Type: Air-Powered Abrasive Finishing Tool | Model: 13400 | Series: Dynisher | Motor Power: 0.7 HP | Free Speed: 3,400 RPM
Features:
- 0.7 HP pneumatic motor supplies power for abrasive surface-conditioning, cleaning, blending, and finishing operations.
- 3,400 RPM free speed supports controlled abrasive action for refining metal surfaces and producing consistent finishing results.
- Dynisher configuration provides a finishing platform for fabrication and maintenance tasks requiring work on larger surface areas or sustained abrasive contact.
- Air-powered operation supports repeated use in shops and industrial environments equipped with a properly sized compressed-air system.
- Accepts compatible abrasive finishing accessories selected according to workpiece material, required surface result, mounting configuration, and speed rating.
- Supports multiple stages of surface preparation, from cleaning and blending through polishing and decorative finishing, when fitted with the appropriate accessory.
Applications:
- Stainless steel fabrication — blending surface imperfections, cleaning fabricated components, and producing decorative finishes with compatible abrasives.
- Metal fabrication shops — conditioning sheet metal, formed components, and fabricated assemblies before subsequent finishing or inspection.
- Weld-area finishing — refining and blending surfaces adjacent to welds after the appropriate material-removal operations have been completed.
- Industrial maintenance and MRO — cleaning, restoring, and refinishing metal components during machinery repair and equipment refurbishment.
- Automotive and custom fabrication — conditioning metal panels, fabricated parts, and other accessible surfaces that require controlled abrasive finishing.
FAQs:
- Q: What is the Dynabrade 13400 Dynisher used for?
A: The tool is used for abrasive surface-conditioning and finishing tasks such as cleaning, blending, polishing, and producing decorative finishes on compatible materials. The accessory selected determines the specific finishing result and must match the tool's mounting requirements and operating speed. - Q: How does the Dynabrade 13400 differ from the Mini-Dynisher models?
A: Based on the supplied product titles, the 13400 uses a 0.7 HP motor, while the 13300 and 13301 Mini-Dynisher models use 0.4 HP motors. The 13400 therefore provides the higher-power option within the supplied Dynisher product group, while buyers should compare the complete manufacturer specifications and accessory requirements before selecting a model. - Q: Can the Dynabrade 13400 be used for stainless steel finishing?
A: Yes, when fitted with abrasive accessories that are compatible with stainless steel and the desired surface result. Select the abrasive type and grade according to whether the job involves cleaning, blending, polishing, or decorative finishing. - Q: What should I check before selecting an abrasive accessory for this tool?
A: Confirm the accessory's mounting compatibility, dimensions, material suitability, and maximum operating speed. The accessory speed rating must equal or exceed the tool's maximum operating speed.
Available Variations and Specifications
| Model Number | Motor HP (W) | Motor RPM | Sound Level | Maximum Air Flow SCFM (LPM) | Wheel Arbor Diameter Inch (mm) | Hose I.D. Size Inch (mm) | Air Inlet Thread | Weight Pound (kg) | Length Inch (mm) | Height Inch (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 13400 | 0.7 (522) | 3,400 | 84 dB(A) | 41 (1,161) | 3/4 (19) | 3/8 (10) | 1/4" NPT | 4.5 (2.0) | 13-1/2 (343) | 9 (229) |
| 13401 | 0.7 (522) | 3,400 | 84 dB(A) | 41 (1,161) | 3/4 (19) | 3/8 (10) | 1/4" NPT | 4.5 (2.0) | 13-1/2 (343) | 9 (229) |
| 13450 | 1 (744) | 2,800 | 80 dB(A) | 41 (1,161) | 3/4 (19) | 3/8 (10) | 3/8" NPT | 5.7 (2.6) | 15 (381) | 7 (180) |
For help choosing the correct Dynabrade Tools, please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov