.55 Horsepower Air-Powered Tool Series - Dynabrade Inc.

NEW! 

.55 Horsepower 

Reorder No. D00•16 

Air-Powered Tool Series 

GRIND • DEBURR • SAND • BLEND • CLEAN • FINISH 

1/4" Die 

Grinder 

3" Disc 

Sander 

4-1/2" Disc 

Sander 

Visit our website: www.dynabrade.com 

Continued Leadership in Portable Abrasive 

Power Tool Technology. 

MADE IN THE 

USA 

3" Depressed 

Center Wheel 

Grinder

3" Dia. (76 mm) Disc Sander 

Model 52557 – 15,000 RPM 

➤ Sand Metal Parts 

➤ Finish Aluminum 

➤ Great For Surface Preparation 

Features 

• Powerful high-torque air motor. 

• Gearless for reduced maintenance and downtime. No need to grease! 

• Includes 50119 Roloc ® Pad, 3" diameter (76 mm), medium density, 

3/8"-24 female thread. 

• Abrasive capacity: 3" diameter (76 mm) discs. 

• Rear exhaust; removable side handle. 

• Optional safety-lock lever available. 

• Thermal-insulated handle reduces cold air transmission to operator. 

Model Motor Motor Sound Maximum Air Flow Air Pressure Spindle Weight Length Height 

Number HP (W) RPM Level CFM/SCFM (LPM) PSIG (Bars) Thread Pound (kg) Inch (mm) Inch (mm) 

52557 .55 (410) 15,000 83 dB(A) 5/33 (934) 90 (6.2) 3/8"-24 male 1.88 (.83) 6 (152) 3-7/8 (98) 

Additional Specifications: Air Inlet Thread 1/4" NPT • Hose I.D. Size 3/8" (10 mm) 

Versatility Kit 

Model 51735 – 15,000 RPM 

3 Tools in One! Die Grinder, Disc Sander, 

Depressed Center Wheel Grinder 

• Tool converts to depressed center wheel grinder, 3" diameter (76 mm) 

disc sander or 1/4" die grinder. 

• Includes 

- 3" diameter (76 mm) locking-type disc pad 

- Assortment of coated and non-woven nylon abrasive discs. 

- 02055 Guard 

- 50010 Collet (1/4") 

- 3" diameter (76 mm) type 27 depressed center wheel (1/8" thick) 

- New 3" diameter (76 mm) flap discs: 90925 - 60 grit; 90926 - 80 grit 

1/4" Die Grinder 

Model 52280 – 15,000 RPM 

Features 

• Gearless for reduced maintenance and 

downtime. No need to grease! 



• Includes 50010 Collet (1/4"). 

IMPORTANT: Never mount accessories that have lower 

maximum RPM rating than the tool, regardless of tool capacity. 

Never mount bonded grinding wheels. Always wear eye, face 

and body protection. 





2

4-1/2" Dia. (114 mm) Disc Sander 

Model 52515 – 15,000 RPM 

➤ Sand Fiberglass 

➤ Great On Metal 

➤ Surface Preparation 

➤ Aggressive Sanding Action 

Features 



• Abrasive capacity: 4-1/2" diameter (114 mm) aluminum oxide discs. 



• Abrasives are flange-mounted with a 7/8" (22 mm) center hole. 

• Disc mount, flange nut and backup pad included. 






3" (76 mm) Depressed Center Wheel Grinder 

Model 57127 – 15,000 RPM 

➤ Powerful High Torque Grinding Action 

➤ Fast Stock Removal 

➤ Removes Welds 

➤ Clean Metal Before Welding 

Features 



• Abrasive capacity: 3" diameter (76 mm) type 27 bonded wheels. 


• Includes safety-lock throttle lever. 

• Handle is offset 7° for greater operator comfort and control. 

• Guard and wheel flange set included. 


IMPORTANT: Never mount accessories that have lower maximum RPM rating than the tool, regardless of tool capacity. Never mount bonded grinding wheels. Always wear eye, face & body protection. 

Model Motor Motor Sound Maximum Air Flow Spindle Air Pressure Weight Length Height 

Number HP (W) RPM Level CFM/SCFM (LPM) Thread PSIG (Bars) Pound (kg) Inch (mm) Inch (mm) 

51727 .55 (410) 15,000 83 dB(A) 5/33 (934) 3/8"-24 female 90 (6.2) 1.88 (8.3) 6 (152) 3-7/8 (98) 

Additional Specifications: Air Inlet Thread 1/4" NPT • Hose Size 3/8" (10 mm) 

3

Accessories 

Dynaswivel ® AIr Line Connector 

Model 94300 

Features 

• 1/4" NPT; improved air flow 

up to 33 SCFM (935 LPM). 

It Swivels! 

360° At Two Locations 

• New lightweight, non-marring 

composite construction; 

industrial quality. 

• Patented “universal-joint” connects portable air tools to an air line. 

3" Diameter (76 mm) 3M Roloc ® Pads 

50119 Pad 

• 3/8"-24 female thread, medium density, 18,000 RPM. 

50113 Pad 

• 3/8"-24 female thread, hard density, 20,000 RPM. 

Dynabrade 3" Dia. (76 mm) Abrasive Flap Discs 

• Smaller diameter permits access into hard-to-reach areas. 

• Overlapping flap construction extends abrasive life. 

• Grind and finish in one application. 

ABRASIVE GRIT 

40 60 80 120 

90924 90925 90926 90927 

Tune-Up Kit 

Model 96522 

• Includes assorted 

parts to maintain 

your motor in 

tip-top shape. 

Abrasive Discs for 4-1/2" 

(114 mm) Dia. Disc Sander 

Ceramic-Coated Aluminum 

Oxide Discs 

• Flange mounted 

7/8" center hole. 

Unit = 100 Discs 

ABRASIVE GRIT 

50 80 100 120 

92052 92053 92054 92055 

Dynabrade Air Line Filter-Regulator-Lubricator 

Model 11405 

40 SCFM (1,133 LPM) @ 100 PSI (6.9 Bars). Has 3/8" NPT female ports. 

Model 11411 

Up to 55 SCFM (1,558 LPM) @ 100 PSI (6.9 Bars). Has 1/2" NPT female ports. 

Features 

• Provides accurate air pressure regulation, two-stage filtration of water/contaminants and 

micro-mist lubrication of pneumatic components. 

• Maximum 150 PSI @ 175°F or less for both models. 

Important: All Dynabrade tools must be used with filter-regulator-lubricator to maintain all warranties. 

New Modular 

Design Allows For 

Customization and 

Versatility! 

DYNABRADE ® 

DYNABRADE, INC. 

8989 Sheridan Drive • Clarence, New York 14031-1490 • Phone: (716) 631-0100 • Fax: 716-631-2073 

US Consumers Call Toll Free: 1-800-828-7333 

DYNABRADE INTERNATIONAL 

8989 Sheridan Drive • Clarence, New York 14031-1490 • Phone: (716) 631-0100 • Fax: 716-631-2524 

Canadian Consumers Call Toll Free: 1-800-344-1488 

DYNABRADE EUROPE S.à r. l. 

Zone Artisanale • L-5485 Wormeldange—Haut, Luxembourg • Telephone: 352 76 84 94 1 • Fax: 352 76 84 95 1 

©DYNABRADE, INC., 2001 

DISTRIBUTED BY: 

Try Our New U.S. Consumer Toll Free Number: 1-888 DYNABRADE 

PRINTED IN U.S.A.

.55 Horsepower Air-Powered Tool Series - Dynabrade Inc.

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