DYNABRADE 3" (76 mm) Dia. Straight-Line Type 1 Extension Wheel Grinder - 52377
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15,000 RPM, Rear Exhaust, 3/8"-24 Spindle Thread.
- Type 1 Wheel Grinder, for cleaning metal, grinding and smoothing weld seams, removing imperfections before painting.
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3" Diameter, Straight Line, 1 hp, 6" Extension, 15,000 RPM.
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Accepts optional 3" diameter Type 1 Wheel, with 3/8" center hole (maximum wheel width of 1/2"). Governor-controlled motor maintains RPM under heavy load; rear exhaust.
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Safety-lock lever is included on all models.
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Standard cushioned grip enhances operator comfort and control.
Specifications
| Air Consumption (SCFM) |
39.0 |
| Power (hp) |
1.0 |
| Max. RPM |
15,000 |
| Tool Spindle Thread |
3/8" - 24 Male |
| Air Inlet Thread |
3/8" NPT |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
3/8" |
| Vacuum Type |
Non-Vacuum |
| Motor Type |
Rotary Vane |
| Height in. (mm) |
3.5 |
| Length in. (mm) |
11.25 |
| Weight lb. (kg) |
4.41 |
| Width in. (mm) |
4.75 |
| Pkg. Height in. (mm) |
3 |
| Pkg. Length in. (mm) |
19.25 |
| Pkg. Weight lb. (kg) |
5.29 |
| Pkg. Width in. (mm) |
4.75 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026523777 |
| EAC Certified |
Yes |
| Tool Style |
Straight Line |
What our Experts Think
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Precision Grinding: 3" extension wheel grinder delivers accurate material removal in tight or hard-to-reach spaces.
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Type 1 Wheel Design: Suited for grinding, cutting, and deburring a wide range of materials.
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Extended Reach: Straight-line extension provides access to confined or recessed areas with ease.
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Durable Dynabrade Build: Industrial-grade construction ensures long-lasting performance in demanding environments.
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Operator Comfort: Ergonomic grip reduces fatigue during continuous use.
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Versatile Applications: Ideal for metal fabrication, maintenance, repair, and finishing tasks.
Q&A
Q: What is the Dynabrade 52377?
A: A 3" (76 mm) extension wheel grinder designed for Type 1 wheels, offering reach and precision in tight or hard-to-access areas.
Q: What jobs is it best suited for?
A: Perfect for grinding, deburring, weld cleanup, and surface prep in confined or recessed spaces.
Q: What makes this tool stand out?
A: The extended straight-line design provides extra reach with excellent control, while delivering Dynabrade’s trademark durability and power.
Q: Who benefits most from this tool?
A: Metal fabricators, auto body professionals, welders, and industrial shops needing a compact but powerful extension grinder.
Maintenance Tips
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Inspect grinding wheels regularly; replace immediately if cracked, worn, or damaged.
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Ensure wheel guards, flanges, and fasteners are secure before each use.
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Lubricate tool components according to manufacturer guidelines for smooth operation.
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Check air hose and connections frequently for leaks, cracks, or wear.
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Use steady, moderate pressure to extend wheel and tool life.
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Clean tool surfaces and air passages with compressed air after each operation.
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Store the grinder in a clean, dry area to prevent corrosion and damage.
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Schedule periodic professional servicing to ensure long-term safety and performance
