Dynabrade
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| CARBIDE BURRS, MOUNTED POINTS, BUFFING PADS, CONE/PLUG WHEELS |
1 hp Die Grinders
Straight-Line, Rear Exhaust Models, 8-3/8" ExtensionAllows Efficient Work Within Long Pipes, Castings and More

- Extension Grinders allow operator to extend into work pieces and reach lengthy distances.
- Extension length of 8-3/8" allows longer reach than competitive models!
- Extensions are constructed of steel for
- Designed for minimal vibration. Extensions during tool use, so continuous tightening with some one-piece shaft-type extensions)
- Tools can also be fitted with optional Buffing collets and inserts, plus optional Cone/Plug (Note: Speed of tool must not exceed operating speed of accessory.)

Model 53521 - 3,400 RPM, 19-3/4" Length
Model 53522 - 3,400 RPM, 28-1/8" Length
Model 53523 - 3,400 RPM, 36-1/2" Length
Model 53531 - 18,000 RPM, 18-3/8" Length
Model 53532 - 18,000 RPM, 26-3/4" Length
Model 53533 - 18,000 RPM, 35-1/8" Length
| Part No. | Motor hp (W) | 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) |
|---|---|---|---|---|---|---|---|---|---|
| 53521 | 1 (744) 3,400 RPM | 80 dB(A) | 6 (43) | 3/8 (10) | 3/8" NPT | 1/2"-20 | 5.5 (2.5) | 19-3/4 (502) | 1-7/8 (48) |
| 53522 | 1 (744) 3,400 RPM | 80 dB(A) | 6 (43) | 3/8 (10) | 3/8" NPT | 1/2"-20 | 7.6 (3.5) | 28-1/8 (714) | 1-7/8 (48) |
| 53523 | 1 (744) 3,400 RPM | 80 dB(A) | 6 (43) | 3/8 (10) | 3/8" NPT | 1/2"-20 | 9.75 (4.4) | 36-1/2 (927) | 1-7/8 (48) |
| 53531 | 1 (744) 18,000 RPM | 84 dB(A) | 6 (40) | 3/8 (10) | 3/8" NPT | 3/8"-24 | 4.8 (2.2) | 18-3/8 (467) | 1-7/8 (48) |
| 53532 | 1 (744) 18,000 RPM | 84 dB(A) | 6 (40) | 3/8 (10) | 3/8" NPT | 3/8"-24 | 6.9 (3.1) | 26-3/4 (679) | 1-7/8 (48) |
| 53533 | 1 (744) 18,000 RPM | 84 dB(A) | 6 (40) | 3/8 (10) | 3/8" NPT | 3/8"-24 | 8.9 (4.0) | 35-1/8 (892) | 1-7/8 (48) |
Additional Specifications:
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