- 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 55701, Stikit Film Disc w/Tab 375L, P180, 6 in x NH, Die 600Z, 7100106619, 250 per case
3M 40001, E-A-R UltraFit Earplugs 340-4002, Corded, Carrying Case, 200 Pair/Case, 7000002322
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
3M 97956, Super 77 CA Multipurpose Spray Adhesive, Low VOC <25%, Clear, 24 fl oz Can, 7100014109, 12/Case
3M 33440, Cubitron II File Belt, 33440, 80+, 10 mm x 330 mm (3/8 in x 13 in), 7100033195, 10 belts per carton, 5 cartons per case
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 43797, Hi-Strength 90 Spray Adhesive, Clear, 5 Gallon Drum (Pail), 7100004706
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
3M 22395, Roloc Disc 361F, 60 YF-weight, TR, 3 in, Die R300V, 7000045098
3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case
Dynabrade 60051 .1 hp Straight-Line Quick-Change Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet
3M 11418, Roloc Disc 361F, P240 XF-weight, TR, 3 in, Die R300V, 7000045106
Standard Abrasives 713638, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/8 in x 1 in x 2-3/4 in CM-2B, 7010294964
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
3M 22405, Roloc Disc 361F, P100 YF-weight, TR, 3 in, Die R300V, 7000045102
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M 24049, Wetordry Cloth Disc 281W, P1000 YF-weight, 8 in x NH, Die 800JM, 7000045052
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
Dynabrade 51623 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M 97986, Hi-Strength 94 ET Cylinder Spray Adhesive, Red, Large Cylinder (Net Wt 26.2 lb), 7100018953
3M™ 72122, Portable Compressed Air Filter and Regulator Panel 256-02-01, 100 cfm, 8 outlets, with Carbon Monoxide Monitor, 7000052147, 1 EA/Case
3M 05011, Cloth Belt 384F, 120+ XF-weight, 3/4 in x 20-1/2 in, Fabri-lok, 7100141429, 200 per case
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 95544 Gear Grease, 2.5oz. Tube 
