112DISC SANDERS2" Dia. Disc Sanders.33 hp and .4 hp ModelsABRASIVE DISCS2" (51 mm) and 3" (76 mm)diameterHigh Quality Air-Powered Disc SandersRight Angle, .33 hp, Gearless, Rear ExhaustModel 52590 18,000 RPM• Includes 51345 Locking-Type Pad (2" diameter).• Also accepts 3" diameter disc pads, sold separately.• Features standard muffler for more compact design.• Tool combines top efficiency with great value.Model 52590Motor Tune-Up Kits canextend the life of a tool,when used as part of aregular preventativemaintenance schedule.(See page 192.)Important: Speed of tool must not exceed maximum operating speed of accessory.Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)52590 .33 (246) 18,000 81 dB(A) 20 (567) 1/4 (6) 1/4" NPT 3/8"-24 Male 1.9 (0.8) 4-1/2 (114) 3-7/8 (98)Tune-Up Kit: No. 96505 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)Right Angle, .4 hp, Front Exhaust• Includes 51344 Locking-Type Pad (2" diameter).• Also accepts 3" diameter pads, sold separately.• Optional safety-lock lever available.Model 51820 12,000 RPMModel 51821 15,000 RPMModel 51822 20,000 RPMImportant: Speed of tool must not exceed maximum operating speed of accessory.Model 51822Dynaswivel ® air line connectoris ideal for use with most air<strong>tools</strong>. The Dynaswivel ® improvestool maneuverability, minimizesoperator fatigue and extends hoselife. (See page 163.)Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)51820 .4 (298) 12,000 85 dB(A) 3/21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 5 (134) 3-1/8 (79)51821 .4 (298) 15,000 84 dB(A) 3/21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 5 (134) 3-1/8 (79)51822 .4 (298) 20,000 87 dB(A) 3/21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 5 (134) 3-1/8 (79)Tune-Up Kit: No. 96179 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)Right Angle, .4 hp, Rear Exhaust• Includes 51344 Locking-Type Pad (2" diameter).• Also accepts 3" diameter pads, sold separately.Model 5252012,000 RPM, Extended MufflerModel 5252115,000 RPM, Extended MufflerModel 5252220,000 RPM, Extended MufflerModel 5254012,000 RPM, Standard MufflerModel 5254115,000 RPM, Standard MufflerModel 5254220,000 RPM, Standard MufflerImportant: Speed of tool must not exceed maximum operating speed of accessory.Model 52520Model 52520 Disc Sander offers efficient weld removal.Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)52520 .4 (298) 12,000 85 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (0.5) 7-3/8 (187) 3-1/8 (79)52521 .4 (298) 15,000 83 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (0.5) 7-3/8 (187) 3-1/8 (79)52522 .4 (298) 20,000 86 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (0.5) 7-3/8 (187) 3-1/8 (79)52540 .4 (298) 12,000 86 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 6 (152) 3-1/8 (79)52541 .4 (298) 15,000 86 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 6 (152) 3-1/8 (79)52542 .4 (298) 20,000 87 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.1 (0.5) 6 (152) 3-1/8 (79)Tune-Up Kit: No. 96179 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)Disc Pads: Page 181 • Abrasive Discs: Page 215 • Accessories: Page 159
3" Dia. Disc Sanders.4 hp, .55 hp and .7 hp ModelsHigh Quality Air-Powered Disc SandersRight Angle, .4 hp, Rear Exhaust• Includes 51346 Locking-Type Pad (3" diameter).• Extended muffler design.Model 52530 12,000 RPMDISC SANDERSABRASIVE DISCS3" (76 mm) diameter113Model 52531 15,000 RPMModel 52532 20,000 RPMModel 52530Model 52531Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)52530 .4 (298) 12,000 85 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (.5) 7-3/8 (187) 3-1/8 (79)52531 .4 (298) 15,000 83 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (.5) 7-3/8 (187) 3-1/8 (79)52532 .4 (298) 20,000 86 dB(A) 21 (595) 1/4 (6) 1/4" NPT 1/4"-20 Male 1.2 (.5) 7-3/8 (187) 3-1/8 (79)Tune-Up Kit: No. 96179 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)Right Angle, .55 hp, Gearless, Rear Exhaust• Includes 51347 Locking-Type Pad (3" diameter).• Removable side handle.• Optional safety-lock lever available.• Tool combines top efficiency with great value.Model 52557 15,000 RPM, Extended MufflerModel 52558 15,000 RPM, Standard MufflerModel 52557Model52557Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)52557 .55 (410) 15,000 83 dB(A) 33 (934) 3/8 (10) 1/4" NPT 3/8"-24 Male 1.9 (0.8) 6 (152) 3-7/8 (98)52558 .55 (410) 15,000 86 dB(A) 33 (934) 3/8 (10) 1/4" NPT 3/8"-24 Male 1.9 (0.8) 4-1/2 (114) 3-7/8 (98)Tune-Up Kit: No. 96522 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)7° Offset, .7 hp, Gearless• Includes 51347 Locking-Type Pad (3" diameter).• Removable side handle.Model 52410 15,000 RPM, Front ExhaustModel 52412 20,000 RPM, Front ExhaustModel 52413 15,000 RPM, Rear ExhaustModel 52415 20,000 RPM, Rear Exhaust• Extended muffler design (52413 and 52415 only).Model 52412Model52412Model Motor Motor Sound Maximum Air Flow Hose I.D. Size Air Inlet Tool Weight Length HeightNumber hp (W) RPM Level SCFM (LPM) Inch (mm) Thread Thread Pound (kg) Inch (mm) Inch (mm)52410 .7 (522) 15,000 96 dB(A) 32 (906) 3/8 (10) 1/4" NPT 3/8"-24 Male 2.0 (0.9) 6 (152) 5-1/2 (140)52412 .7 (522) 20,000 93 dB(A) 36 (1,019) 3/8 (10) 1/4" NPT 3/8"-24 Male 2.0 (0.9) 6 (152) 5-1/2 (140)52413 .7 (522) 15,000 76 dB(A) 32 (906) 3/8 (10) 1/4" NPT 3/8"-24 Male 2.3 (1.0) 8-1/8 (206) 5-1/2 (140)52415 .7 (522) 20,000 77 dB(A) 35 (991) 3/8 (10) 1/4" NPT 3/8"-24 Male 2.3 (1.0) 8-1/8 (206) 5-1/2 (140)Tune-Up Kit: No. 96045 (page 192) • Additional Specifications: Air Pressure 90 PSIG (6.2 Bar)Disc Pads: Page 181 • Abrasive Discs: Page 215 • Accessories: Page 159