DYNABRADE Cone Or Plug Grinder (Single Extension), Steel Housing - 53783
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.7 hp, Straight-Line, 20,000 RPM, Gearless, Rear Exhaust, 3/8"-24 Male Spindle Thread.
- Tool feature's steel housing for increased durability. Used in Steel Fabrication, Welding Operations, Shipyards, Foundries and more!
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Dynabrade?s Steel Housing Die Grinders feature the quality and power you have come to expect.
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Gearless for reduced maintenance and downtime. Extension help access hard to reach areas. Made in the USA.
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Tool has 3/8"-24 Male Spindle Thread for Cone or Plug Grinding Wheels.
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Higher torque and lower RPM for more power. Rubber Grip Housing reduces vibration and cold air transmission. Safety Lock Lever standard on all models.
Specifications
| Air Consumption (SCFM) |
39.0 |
| Power (hp) |
0.7 |
| Max. RPM |
20,000 |
| Tool Spindle Thread |
3/8"- 24 Male |
| Air Inlet Thread |
1/4" NPT |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
3/8" |
| Vacuum Type |
Non-Vacuum |
| Height in. (mm) |
1.7 |
| Length in. (mm) |
12.7 |
| Weight lb. (kg) |
3.8 |
| Width in. (mm) |
5.75 |
| Pkg. Height in. (mm) |
3.25 |
| Pkg. Length in. (mm) |
16 |
| Pkg. Weight lb. (kg) |
4.8 |
| Pkg. Width in. (mm) |
5.75 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026537835 |
| EAC Certified |
Yes |
| Tool Style |
Straight Line |
What our Experts Think
- The Dynabrade 53783 Cone or Plug Grinder (Single Extension) is a heavy-duty industrial air grinder engineered for precision grinding, deburring, weld blending, and surface preparation in restricted-access areas.
- Features a durable steel housing construction, providing enhanced strength and longevity in demanding fabrication, foundry, and manufacturing environments.
- The extended spindle design improves access to deep recesses, internal surfaces, pipe interiors, and complex assemblies where standard grinders cannot reach effectively.
- Optimized for use with cone and plug grinding wheels, making it ideal for detailed finishing, edge work, and weld cleanup applications.
- Powered by a high-performance pneumatic motor that delivers consistent speed and torque for efficient material removal and smooth finishing results.
- Equipped with an ergonomic throttle mechanism and balanced design, helping improve operator control and reduce fatigue during prolonged use.
- Built to withstand harsh shop conditions, with industrial-grade components designed for continuous-duty operation and long service life.
- Best suited for professionals who need a rugged, extended-reach grinder for precision metalworking and difficult-access grinding applications, rather than general-purpose surface grinding tasks.
Q&A
Q: What is the Dynabrade Cone or Plug Grinder (53783) used for?
A: It is a professional pneumatic cone and plug wheel grinder designed for weld grinding, deburring, surface preparation, casting cleanup, and metal fabrication applications.
Q: What makes the 53783 different from standard grinders?
A: It features a single-extension design with a durable steel housing, providing extra reach and enhanced durability for demanding industrial environments.
Q: What types of abrasives can it use?
A: It is designed for use with cone and plug grinding wheels, making it ideal for reaching tight spaces, inside corners, and difficult-to-access work areas.
Q: What materials can it be used on?
A: It is suitable for grinding and finishing steel, stainless steel, cast iron, weldments, and other metal surfaces.
Q: What are the key benefits of the steel housing design?
A: The steel housing provides increased durability, impact resistance, and long service life, making it well-suited for heavy-duty industrial use.
Q: What industries commonly use this grinder?
A: It is widely used in metal fabrication, welding, foundries, shipbuilding, manufacturing, and maintenance operations where precision grinding and extended reach are required.
Maintenance Tips
Damage 
Loss 
Theft 
