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Product Specifications:
| Item | Pencil Grinder |
| Accessory Free Tool Change | Yes |
| Air Consumption | 6 CFM |
| Air Inlet Connection Size | 1/4" |
| Air Inlet Gender | Female |
| Air Inlet Size | 1/4" |
| Air Inlet Type | NPT |
| Anti-restart Technology | No |
| Application | Composites, Investment Castings, Jewelry, Machine Shops, Medical Implants, Tool And Die Shops, Turbine Blade Manufacturers |
| Average Cfm @ 15 Sec. Run Time | 0.86 CFM |
| Bearing Type | Large Precision |
| Bearings | Large Precision |
| Cfm @ Full Load | 0.86 CFM |
| Collet Capacity | 3mm |
| Collet Capacity | 3 mm |
| Collet Insert | 3 mm |
| Collet Size | 1/8" |
| Duty | General |
| Duty Rating | Heavy Duty |
| Exhaust Location | Rear |
| Exhaust Type | Rear |
| Features | Ergonomic Tactile Grip, High-Quality Air Line |
| Free Speed | 60000 RPM |
| Grinder Type | Straight |
| Grip Style | Barrel Grip |
| Head Type | Standard Head |
| Horsepower | 0.1 hp |
| Hose Inside Dia. | 1/4" |
| Hose Length | 5" |
| Hp | 1/10 hp |
| Kit Contents | (1) Bare Tool |
| Lock-off Switch | No |
| Lock-on Switch | No |
| Max. Speed | 60000 RPM |
| Min. Hose Size | 1/4" |
| Overall Length | 4 1/2" |
| Power Source | Air Powered |
| Required Pressure | 90 psig |
| Safety Features | Non-Slip Grip |
| Sound Level | 67 dBA |
| Speed Setting | Variable Speed |
| Tether Style | Not Tether Capable |
| Throttle | Air Regulator |
| Throttle Type | Lever |
| Tool Length | 4.5" |
| Tool Style | Straight Line |
| Tool Weight | 0.7 lbs. |
| Tool Width | 6.5" |
| Variable Speed | Yes |
| Wattage | 75 W |
| Whip Hose I.d. | 1/4" |
Shipping Info:
| Ship weight (kg) | 0.61 |
| Ship height (cm) | 10.8 |
| Ship length (cm) | 26.67 |
| Ship width (cm) | 16.51 |
| HS code | 8467290035 |
| Country of Origin | US |
Product Details:
Dynabrade 52855 pencil grinder is designed for precision deburring, finishing and engraving applications. This is ideal for turbine blade manufacturers, tool & die shops, machine shops, investment castings, jewellery, medical implants and composites.
Features:
- It offers variable speed flow control to easily adjust speed (up to 60000 rpm) with the help of a dial to suit the required application.
- It comes with an over-hose assembly that keeps away direct air and excess oil from the operator.
- This grinder features a handy pushbutton for simple on-off operation. The tool automatically comes on the same speed as when it was shut off.
- It features an ergonomic tactile grip that offers a firm hold on the tool and can be used for various applications by using the proper abrasive stones, abrasive mounted wheels & points, moulded abrasives and carbide burrs.
- It comes with large precision bearings to reduce friction and ensure smooth operation, while extending tool life.
- The tool has a low collet run-out (less than 0.003) which ensures fewer vibrations and high-quality cut.
Compatible Accessories:
- Dynabrade Filter-Regulator-Lubricator: It allows accurate air pressure regulation, two-stage filtration of water / contaminants and adjustable oil drop for the smooth operation of this pencil grinder.
Frequently Asked Questions:
Q. What is the function of the spindle lock system?
A. The grinder features a spindle lock system that allows easy collet tightening and comes with a thru-hole for quick accessory change without using two wrenches.
Q. Can the tool be used in hazardous environments?
A. No, the tool is not intended for use in potentially explosive environments and is not insulated against contact with electrical power.
Q. How to maintain the Dynabrade power tool?
A.
- Do not use cut off wheels or router bits in this tool.
- Check that insert tools have the correct shaft size for the collet insert.
- Note the tool rundown time.
- Make sure that cutting tools are mounted securely in the collet by inserting the shank a minimum of 1 inch and tightening the collet with a minimum torque of 25 inch-lb.
- Use long shank burrs with caution as they are subjected to bending, whipping and breaking when running at high speeds.
- Check the free speed of the pencil grinder using a tachometer.
- Always use mineral spirits to clean the tool and its parts.
- Visually inspect air hoses and fittings for visible damage, frays and signs of deterioration.
Product Variants
| Product | Model | Hp | Duty | Exhaust Type | Overall Length | Average Cfm @ 15 Sec. Run Time | Bearings | Cfm @ Full Load | Hose Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
52850 | 1/10 hp | General | Rear | 4 1/2" | 0.86 CFM | Large Precision | 0.86 CFM | 5" | €1,290.79 |
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Contact us
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DYNABRADE 52855 Pencil Grinder General 60000 Rpm
€1,273.89 /unit
