- Dynabrade’s Variable Speed Pencil Grinder offers precision deburring, finishing and engraving, with easily adjustable speed to suit each application. This is an essential tool for turbine blade manufacturers, tool & die shops, machine shops, investment castings, jewelry, medical implants, composites and more!
- High-Quality Air Line; 1/4″ (6 mm) in diameter and 5 feet (1.5 m) in length. Over-hose Assembly; Helps direct air and excess oil away from operator – 12″ (305 mm) in length. Variable Speed Flow Control; Adjust your desired speed with dial, up to 60,000 RPM. Unlike ?roll valves,? your speed stays set when turning tool off and on. One Touch Starts Tool at Desired Speed; Handy push-button for simple on/off operation. Tool comes on at same speed as when you shut it off!
- Ergonomic Tactile Grip; Tactile, non-slip grip is insulated for comfortable use. Large Precision Bearings; Ensure longer tool life than competitive models. Spindle Lock Allows Easy Collet Tightening; With thru-hole for quick accessory change. No struggling with two wrenches! Low Collet Run-Out; Run-out of less than .003 minimizes vibration and ensures high-quality cut.
- Model accepts optional collet inserts: 1/16″ (51760) and 3/32″ (51674).
- Description
- Video
- Tool Specifications
- Parts
- Disassembly/ Assembly Instructions
- Air Tool Maintenance Guide
Tool Specifications
Mfr. Model # 52851
| Collet Insert Size | 1/8″ |
|---|---|
| hp | 0.1 |
| Max. RPM | 60,000 |
| Air Inlet Thread | 1/4″ NPT |
| Exhaust Type | Rear |
| CE Certified | Yes |
| EAC Certified | Yes |
| Vacuum Type | Non-Vacuum |
| EAN (UPC) Code | 0616026528512 |
| Motor Type | Rotary Vane |
| Motor Free Speed | 60000.0 |
| Tool Style | Pencil Grinder |
Disassembly/ Assembly Instructions
| Disassembly/ Assembly Instructions |
|---|

3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 01334, PSA Cloth Disc 348D, 50 X-weight, 3 in x NH, Die 300V, 7000118879
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100
Standard Abrasives 37446, PSA A/O Disc, 700595, 1-1/2 in x NH, 60, 7010331822
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
3M 41595, Polyurethane Sealant 540, Black, 310 mL Cartridge, 7100001804, 12/Case
3M 49689, PSA Cloth Disc 348D, 60 X-weight, 10 in x NH, Die 1000C, 7010326501
3M 08301, Ultrapro Autobody Sealant, 08301, Tan, 5 oz Tube, 7100142901, 6 per case
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M 20227, Scotch-Seal Metal Sealant 2084, Silver, 5 oz Tube, 7000046343, 36/Case
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
Dynabrade 95544 Gear Grease, 2.5oz. Tube
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M 14896, Cloth Belt 777F, 80 YF-weight, 2 in x 48 in, Film-lok, Single-flex, 7000118455, 50 per case
Standard Abrasives 726072, A/O C2 Straight Precision Cartridge Roll, 5/8 in x 2-1/2 in x 1/4 in 120, 7100098781
3M 87147, PSA Cloth Disc 777F, 5 x NH, 36 YF-weightt, 7010308524
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
ACS CX1250 Diamond Belt, 1/2" X 24" 9u
Dynabrade 51301 .5 hp Straight-Line Die Grinder 
