Dynabrade Products
Dynabrade Products 52632 Angle Grinder Type 27 4 1/2 in 12,000 RPM 1.3 hp
A 4 1/2 inch Type 27 pneumatic angle grinder running at 12,000 RPM with 1.3 hp for heavy-duty grinding
- TypeAngle, Pitch & Slope Locators
- 3 hp motor delivers strong material removal
- 12,000 RPM free speed enables fast grinding cycles
- Vibration-dampening side handle reduces operator fatigue
- 3/8 in NPT air inlet fits standard shop supply
- Rotational exhaust directs airflow away from work area
Industrial Angle Grinder for Heavy-Duty Metalwork
The Dynabrade 52632 is a Type 27 angle grinder built for demanding metal fabrication and automotive tasks. Its 1.3 hp motor delivers 12,000 RPM free speed to a 4 1/2 inch wheel for aggressive material removal. The cast aluminum housing with rubber grip withstands daily shop abuse. It suits professionals who need reliable pneumatic power for grinding and surface preparation.
Air Consumption and Exhaust Management
At 90 psi operating pressure the tool draws 43.0 CFM under full load and averages 10.75 CFM over a 15 second run cycle. A 3/8 inch NPT female air inlet and minimum 3/8 inch hose size maintain adequate flow. Rotational exhaust directs air away from the workpiece and operator. The lever throttle with safety lock prevents accidental start-up during hose connection.
Upgrade from Lower-Capacity Pneumatic Grinders
This model replaces smaller grinders that stall on weld removal or heavy deburring. The 1.3 hp output and vibration-dampening side handle reduce operator fatigue during extended sessions. The jump is worth it when free speed of 12,000 RPM and Type 27 wheel compatibility are required for the job. Buyers needing variable speed control or electric operation should consider other tool types.
Highlights
- 3 hp motor delivers strong material removal
- 12,000 RPM free speed enables fast grinding cycles
- Vibration-dampening side handle reduces operator fatigue
- 3/8 in NPT air inlet fits standard shop supply
- Rotational exhaust directs airflow away from work area
Specifications
| Brand | Dynabrade |
|---|---|
| Type | Angle, Pitch & Slope Locators |
Questions about this item
How do I connect the 3/8 in NPT air inlet and what step is often missed?
Use a 3/8 in hose at 90 psi; the step often missed is verifying the compressor delivers 43.0 CFM at full load, not just the 10.75 CFM average.
Which parts will need replacement after extended use?
The Type 27 wheel on the 5/8 in spindle is the primary consumable; the vibration-dampening side handle and rubber grip may also wear over time.
What limit appears first during continuous grinding?
The 43.0 CFM full-load air demand is the first limit; if the supply drops below 90 psi the 1.3 hp motor cannot maintain 12,000 RPM.
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