
Built for consistent surface conditioning, decorative finishing, and metal refinement, the Dynabrade 13401 Dynisher Air-Powered Abrasive Finishing Tool combines a 0.7 HP air motor with a 3,400 RPM free speed to provide controlled abrasive performance across stainless steel, aluminum, and other metal surfaces. Its pneumatic design delivers dependable power for blending welds, removing surface imperfections, and producing uniform finishes while maintaining the control required for precision finishing applications.
The Dynabrade 13401 Dynisher is well suited for fabrication shops, maintenance departments, restoration work, and custom metal finishing. Operating at 3,400 RPM (the tool's no-load operating speed), it provides a balanced finishing rate that supports efficient material conditioning without the aggressive cutting action associated with high-speed grinders. When paired with compatible abrasive finishing accessories, the tool can perform everything from initial surface preparation to final decorative finishing while helping operators maintain a consistent finish across larger workpieces.
Type: Air-Powered Abrasive Finishing Tool | Model: 13401 | Series: Dynisher | Motor Power: 0.7 HP | Free Speed: 3,400 RPM
Features:
- 0.7 HP pneumatic motor provides consistent power for abrasive surface-conditioning and finishing operations.
- 3,400 RPM free speed supports efficient cleaning, blending, polishing, and decorative finishing on metal surfaces.
- Dynisher configuration offers controlled abrasive contact across larger accessible work areas than compact finishing tools.
- Air-powered operation is suitable for continuous shop use with a properly sized compressed-air supply.
- Compatible with approved abrasive finishing accessories selected according to the workpiece material, mounting configuration, and desired surface finish.
- Supports multiple finishing stages, including surface preparation, weld blending, cosmetic finishing, and final surface refinement when equipped with the appropriate abrasive.
Applications:
- Metal fabrication — blending fabricated assemblies, conditioning sheet metal, and preparing components for finishing operations.
- Stainless steel finishing — producing uniform grain patterns, decorative finishes, and refined surface appearances using compatible abrasives.
- Industrial maintenance and MRO — restoring worn metal surfaces and refinishing machinery components during scheduled maintenance.
- Automotive restoration and custom fabrication — refining body panels, fabricated components, and custom metalwork before final finishing.
- General manufacturing — cleaning, polishing, and surface conditioning of fabricated parts prior to assembly or inspection.
FAQs:
- Q: What is the Dynabrade 13401 used for?
A: The Dynabrade 13401 is intended for abrasive surface finishing tasks including cleaning, blending, polishing, decorative finishing, and weld refinement. The finishing result depends on the abrasive accessory selected for the application. - Q: What advantage does the 3,400 RPM operating speed provide?
A: A 3,400 RPM free speed provides controlled abrasive action that balances finishing efficiency with surface control, making it suitable for consistent finishing rather than aggressive stock removal. - Q: Can this tool be used on stainless steel?
A: Yes. When paired with abrasives designed for stainless steel, the tool can be used for blending, polishing, and producing decorative finishes while helping maintain a consistent surface appearance. - Q: How do I choose the correct abrasive accessory?
A: Select an accessory that matches the material being finished, the desired surface result, the tool's mounting configuration, and an operating speed rated at or above the maximum speed of the tool.
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