Dynabrade
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| CARBIDE BURRS, ROTARY FILES, MOUNTED POINTS, WHEELS AND DISCS |
.7 hp Die Grinders
7° Offset, GearlessHigh Quality Air-Powered Die Grinders

Short Shank, Front Exhaust Models
- Gearless for reduced maintenance and downtime.
Model 52289 - 18,000 RPM, 1/4" Collet
Model 52225 - 18,000 RPM, 6 mm Collet
Model 52290 - 20,000 RPM, 1/4" Collet
Model 52226 - 20,000 RPM, 6 mm Collet
| Part No. | Motor hp (W) | Collet Size | Sound Level | Max. Air Flow SCFM (LPM) | Hose I.D. Size Inch (mm) | Air Inlet Thread | Tool Thread | Weight Pound (kg) | Length Inch (mm) | Height Inch (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 52289 | .7 (522) 18,000 RPM | 1/4" | 87 dB(A) | 35 (991) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/8 (130) |
| 52225 | .7 (522) 18,000 RPM | 6mm | 87 dB(A) | 35 (991) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/8 (130) |
| 52290 | .7 (522) 20,000 RPM | 1/4" | 84 dB(A) | 36 (1,020) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/8 (130) |
| 52226 | .7 (522) 20,000 RPM | 6mm | 84 dB(A) | 36 (1,020) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/8 (130) |
Additional Specifications:
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Short Shank, Rear Exhaust Models
- Gearless for reduced maintenance and downtime.
- Extended rear exhaust muffler design.
Model 52293 - 18,000 RPM, 1/4" Collet
Model 52295 - 18,000 RPM, 6 mm Collet
Model 52298 - 20,000 RPM, 6 mm Collet
Model 52297 - 20,000 RPM, 1/4" Collet, with Side Handle
| Part No. | Motor hp (W) | Collet Size | Sound Level | Max. Air Flow SCFM (LPM) | Hose I.D. Size Inch (mm) | Air Inlet Thread | Tool Thread | Weight Pound (kg) | Length Inch (mm) | Height Inch (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 52293 | .7 (522) 18,000 RPM | 1/4" | 80 dB(A) | 34 (963) | 3/8 (10) | 1/4" NPT | - | 2.3 (1.0) | 8-1/8 (206) | 5-1/8 (130) |
| 52294 | .7 (522) 20,000 RPM | 1/4" | 77 dB(A) | 37 (1,048) | 3/8 (10) | 1/4" NPT | - | 2.3 (1.0) | 8-1/8 (206) | 5-1/8 (130) |
| 52295 | .7 (522) 18,000 RPM | 6mm | 80 dB(A) | 34 (963) | 3/8 (10) | 1/4" NPT | - | 2.3 (1.0) | 8-1/8 (206) | 5-1/8 (130) |
| 52297 | .7 (522) 20,000 RPM | 1/4" | 77 dB(A) | 37 (1,048) | 3/8 (10) | 1/4" NPT | - | 2.3 (1.0) | 8-1/8 (206) | 5-1/8 (130) |
| 52298 | .7 (522) 20,000 RPM | 6mm | 77 dB(A) | 37 (1,048) | 3/8 (10) | 1/4" NPT | - | 2.3 (1.0) | 8-1/8 (206) | 5-1/8 (130) |
Additional Specifications:
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Long Shank, Rear Exhaust Models
- Gearless for reduced maintenance and downtime.
Model 52242 - 20,000 RPM, 1/4" Collet
Model 52286 - 20,000 RPM, 6 mm Collet
| Part No. | Motor hp (W) | Collet Size | Sound Level | Max. Air Flow SCFM (LPM) | Hose I.D. Size Inch (mm) | Air Inlet Thread | Tool Thread | Weight Pound (kg) | Length Inch (mm) | Height Inch (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 52242 | .7 (522) 20,000 RPM | 1/4" | 84 dB(A) | 28 (793) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/2 (140) |
| 52286 | .7 (522) 20,000 RPM | 6mm | 84 dB(A) | 28 (793) | 3/8 (10) | 1/4" NPT | 3/8"-24 Male | 1.7 (0.8) | 6 (152) | 5-1/2 (140) |
Additional Specifications:
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