- Includes 1/4″ (50013) & 6 mm (50016) Collet Inserts; fits optional 1/8″ (50065), 3/8″ (50014), 8 mm (50039)
- Dynabrade’s Steel Housing Die Grinders feature the quality and power you have come to expect.
- Gearless for reduced maintenance and downtime. Extension help access hard to reach areas. Made in the USA.
- Includes 1/4″ Collet Insert (50013), fits optional 1/8″ (50065), 3/8″ (50014), 6 mm (50016), 8 mm (50039)
- Higher torque and lower RPM for more power. Rubber Grip Housing reduces vibration and cold air transmission. Safety Lock Lever standard on all models.
Tool Specifications
Mfr. Model # 53781
| Collet Insert Size | 1/4″ & 6 mm |
|---|---|
| hp | 0.7 |
| Max. Air Flow [SCFM] | 39.0 |
| Max. RPM | 20,000 |
| Air Inlet Thread | 1/4″ NPT |
| Exhaust Type | Rear |
| CE Certified | Yes |
| EAC Certified | Yes |
| Height [inches] | 1.7 |
| Length [inches] | 13.6 |
| Weight [pounds] | 3.9 |
| Width [inches] | 5.75 |
| Hose I.D. [inches] | 3/8″ |
| Vacuum Type | Non-Vacuum |
| EAN (UPC) Code | 0616026537811 |
| Motor Type | Gearless |
| Motor Free Speed | 20000.0 |
| Tool Style | Straight Line |
Disassembly/ Assembly Instructions
| Disassembly/ Assembly Instructions |
|---|

Dynabrade 51811 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 1000,000 RPM, 1/16" Collet
3M 29842, Sanding Screen, 180 Grit, 16 in x NH, 7100160822
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 29822, Sanding Screen, 120 Grit, 20 in x NH, 7100160250
3M Scotchkote Liquid Epoxy Coating Spray System HSS Mix Nozzle, RightAngle, 7000058900
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894 


