SPEEDAIRE
SPEEDAIRE 21AA82 Right Angle Die Grinder 0.4 hp 20000 RPM 1/4 in NPT
Right-angle die grinder delivers 0.4 hp at 20000 RPM with a 1/4 in NPT air inlet and safety throttle lever
- Right-angle head reaches tight spots
- 4 hp motor delivers 20000 RPM for fast material removal
- 1/4 in collet accepts common accessories
- Safety throttle lever prevents accidental starts
- Includes two spanner wrenches for quick bit changes
SPEEDAIRE 21AA82 Right Angle Die Grinder
The SPEEDAIRE 21AA82 is a medium-duty pneumatic die grinder built for grinding, deburring and polishing tasks. It delivers 0.4 hp at a maximum speed of 20000 RPM through a right-angle head. The tool accepts 1/4 in accessories via its collet and connects to a compressed air supply through a 1/4 in NPT female inlet. A barrel grip and safety throttle lever with lock-off switch provide control during operation.
Metalworkers, woodworkers
This grinder suits operators working on steel, wood or ceramic materials where a right-angle profile reaches tight corners. It includes two spanner wrenches for accessory changes. Buyers who need an integrated storage case should look elsewhere, as none is supplied. The medium-duty rating also means it is not intended for continuous heavy-industrial cycles.
0.4 hp at 20000 RPM with 1/4 in NPT inlet
The 0.4 hp motor and 20000 RPM top speed define the material removal capacity of this air tool. The 1/4 in NPT female air inlet determines the hose fitting required for connection. The 1/4 in collet size sets the shank diameter of the accessories that can be used. Match these three figures to your air supply and accessory kit to confirm compatibility.
Highlights
- Right-angle head reaches tight spots
- 4 hp motor delivers 20000 RPM for fast material removal
- 1/4 in collet accepts common accessories
- Safety throttle lever prevents accidental starts
- Includes two spanner wrenches for quick bit changes
Specifications
| Brand | SPEEDAIRE |
|---|
Questions about this item
Will the 1/4 in collet or internal vanes need replacement after extended use?
The 1/4 in collet can be swapped when worn, and the air motor vanes are serviceable items that will require replacement once they lose compression.
What limits continuous operation at 20,000 RPM on this 0.4 hp right-angle grinder?
The 0.4 hp air motor delivers peak power at 20,000 RPM; sustained loads that exceed this output will cause speed to drop until the load is reduced.
How much noise and heat should I expect when running this tool all day?
The right-angle gear housing directs exhaust away from the operator, reducing perceived noise, while the aluminium barrel dissipates heat during prolonged medium-duty grinding sessions.
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