- 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 # 52850
| Collet Insert Size | 1/8″ |
|---|---|
| Diameter [inches] | 0.6000 |
| hp | 0.1 |
| Max. Air Flow [SCFM] | 6.0 |
| Max. RPM | 60,000 |
| Air Inlet Thread | 1/4″ NPT |
| Exhaust Type | Rear |
| CE Certified | Yes |
| EAC Certified | Yes |
| Height [inches] | 4.25 |
| Length [inches] | 4.5 |
| Weight [pounds] | 0.7 |
| Width [inches] | 6.5 |
| Hose I.D. [inches] | 1/4″ |
| Vacuum Type | Non-Vacuum |
| EAN (UPC) Code | 0616026528505 |
| Motor Type | Rotary Vane |
| Motor Free Speed | 60000.0 |
| Tool Style | Straight Line |
Disassembly/ Assembly Instructions
| Disassembly/ Assembly Instructions |
|---|

3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Standard Abrasives 78527, Ceramic Pro Type 29 Flap Disc, 645139, 7 in x 5/8-11 40 Y-weight, 7010301277
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
Dynabrade 51857 .7 hp Trim Router (Complete), 20,000 RPM, 1/4 Collet
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ACS CX1250 Diamond Belt, 1/2" X 24" 60u
Standard Abrasives 827600, Buff and Blend GP Power Pad, 6 in x 9 in, A VFN, 7010330610, 50 ea/Case
3M 29831, Sanding Screen, 180 Grit, 18 in x NH, 7100160238
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
3M™ 07011, Supplied Air Respirator Hose W-9435-50/07011(AAD), 7000005373, 1 EA/Case
3M 07189, Particulate Welding Respirator 8515/07189(AAD), N95, 7000002112, 80 EA/Case
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 05043, Cloth Belt 384F, 80+ XF-weight, 1/2 in x 12 in, Fabri-lok, Full-flex, 7100141435, 200 per case
3M 20909, PSA Cloth Disc 348D, 80 X-weight, 2 in x NH, Die 200P, 7000118873
Dynabrade 92210 1/8" W x 12" L 320 Grit A/O DynaCut Belt, 50/pack
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 69604, Cloth Belt 777F, P120 YF-weight, 1/2 in x 12 in, Film-lok, Single-flex, 7010328597, 200 per case
3M 86745, Diamond Disc, 2" Roloc, 674W, 120 Mesh, TR, 7100022116, Box of 10
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 97986, Hi-Strength 94 ET Cylinder Spray Adhesive, Red, Large Cylinder (Net Wt 26.2 lb), 7100018953
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M 58298, Scotch-Weld PUR Applicator Swivel Connector, 7000046653
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty 




