Built for rectangular-pad sanding, finishing, and pre-polishing work, the Chicago Pneumatic CP5303-R5 Orbital Sander pairs a compact palm-grip body with a 3" x 5" PSA pad format for adhesive-backed sanding sheets used on flat panels, edges, and detail areas. Its 10,000 RPM free speed helps maintain consistent sanding action across production and repair tasks, while the 3/32" orbit creates a fine orbital sanding pattern suited to smoother surface preparation before paint, coating, or final finishing steps.
This CP53 Series sander uses a 0.3 hp / 210 W lubrication-free motor, helping keep oil from contaminating the sanding process during surface prep. The non-vacuum configuration is intended for use where dust collection is handled separately or where a vacuum sander is not required. A palm-shaped soft grip, integrated motor silencer, and low vibration rating support controlled use across autobody, metalworking, woodworking, and general maintenance sanding jobs.
Type: Orbital Sander | Series: CP53 | Model: CP5303-R5 | SKU: 6151702330 | Free Speed: 10,000 RPM | Power: 0.3 hp / 210 W | Pad Size: 3" x 5" / 80 x 130 mm | Pad Shape: Rectangular | Pad Type: PSA | Orbit Size: 3/32" / 2.4 mm | Vacuum Type: Non-vacuum | Pad Holes: 0 | Spindle Thread: 5/8-24 UNF | Air Consumption at Load: 17 CFM / 8 l/s | Weight: 2.2 lb / 1 kg | Length: 5" / 127 mm | Height: 3.74" / 95 mm | Vibration: <2.5 m/s² | Sound Pressure: 73 dB(A) | Sound Power: 84 dB(A) | Air Inlet: 1/4" NPT | Minimum Hose I.D.: 1/4" / 6 mm
Features:
- 3" x 5" rectangular PSA pad format supports adhesive-backed sanding sheets for flat panels, edges, and controlled finishing work.
- 3/32" orbit creates a fine sanding pattern for smoother surface preparation and pre-polishing steps.
- 0.3 hp / 210 W motor provides efficient sanding performance in a compact palm-grip tool.
- Lubrication-free motor helps protect the sanding process from oil contamination.
- Integrated motor silencer helps reduce tool noise during extended sanding tasks.
- Palm-shaped soft grip improves control during panel work, edge blending, and detail sanding.
- Safety lever starting system helps reduce unintentional tool activation during handling.
- Manufacturer-listed 2,000 operating hours with low maintenance supports planned tool use in busy shop environments.
IMPORTANT: Use only sanding sheets and abrasive accessories compatible with the tool, pad size, attachment style, and operating speed. Never use damaged abrasives. Always wear appropriate eye, face, respiratory, and body protection when sanding.
Applications:
- Autobody and paint preparation: sanding primer, feathering edges, and preparing rectangular panel areas before refinishing.
- Metalworking and fabrication: smoothing small flat surfaces, blending light marks, and preparing parts before coating or assembly.
- Industrial maintenance and MRO: cleaning up panels, covers, guards, and equipment surfaces during repair or repaint work.
- Woodworking and cabinet shops: sanding flat stock, rails, stiles, and detail areas where a rectangular pad reaches more effectively than a round pad.
- General shop finishing: adhesive-disc sanding tasks where a non-vacuum palm sander fits the work area and dust collection is handled separately.
FAQs:
- Q: What does PSA pad mean?
A: PSA stands for pressure-sensitive adhesive. The sanding sheet uses an adhesive backing that sticks directly to the pad, rather than using a hook-and-loop attachment system. - Q: What is the difference between a 3/32" orbit and a larger orbit?
A: A 3/32" orbit creates a smaller sanding pattern, which is commonly used for finer surface preparation and smoother finish work. Larger orbits remove material faster but usually leave a more noticeable scratch pattern. - Q: Is the CP5303-R5 a vacuum sander?
A: No. The CP5303-R5 is a non-vacuum orbital sander. If the application requires built-in dust extraction, compare it with the central vacuum or self-vacuum versions in the CP53 Series. - Q: What abrasive sheets fit this sander?
A: Use 3" x 5" PSA sanding sheets that match the rectangular pad size. Because this model has 0 pad holes and is non-vacuum, hole pattern matching for dust extraction is not required. - Q: Does the lubrication-free motor matter for sanding?
A: Yes. A lubrication-free motor helps keep oil out of the sanding area, which is useful when preparing surfaces for paint, coating, bonding, or finishing.
| MODEL | PART NUMBER | FREE SPEED | POWER | PAD CAPACITY | PAD TYPE | VAC | SPINDLE THREAD | AIR CONS. @LOAD |
NET WEIGHT | VIBRATION LEVELISO 28927 (M/S2) | SOUND PRESS. | SOUND POWER | AIR INLET | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rpm | hp | W | in. | mm | in. | cfm | l/s | lb | kg | a | ISO 15744 - dB(A) | in. | |||||
| CP5303-R5SV | 6151702350 | 10,000 | 0.3 | 210 | 3"x5" | 80x130 | Rectangular | Self vacuum | 5/8-24 UNF | 17 | 8 | 2.2 | 1 | <2.5 | 73 | 84 | 1/4 |
| CP5303-R5CV | 6151702370 | 10,000 | 0.3 | 210 | 3"x5" | 80x130 | Rectangular | Central vacuum | 5/8-24 UNF | 17 | 8 | 2.2 | 1 | <2.5 | 73 | 84 | 1/4 |
| CP5303-R5 | 6151702330 | 10,000 | 0.3 | 210 | 3"x5" | 80x130 | Rectangular | Non vacuum | 5/8-24 UNF | 17 | 8 | 2.2 | 1 | <2.5 | 73 | 84 | 1/4 |
| CP5318-30H | 6151703320 | 12,000 | 0.3 | 210 | 3 | 76 | Circular | Non vacuum | 5/8-24 UNF | 23 | 11 | 2.65 | 1.2 | 8.3 | 76 | 87 | 1/4 |
| CP5314-60SV | 6151704640 | 12,000 | 0.3 | 210 | 6 | 150 | Circular | Self vacuum | 5/8-24 UNF | 17 | 8 | 1.76 | 0.8 | 6.5 | 85 | 96 | 1/4 |
| CP5314-60 | 6151704620 | 12,000 | 0.3 | 210 | 6 | 150 | Circular | Non vacuum | 5/8-24 UNF | 17 | 8 | 1.76 | 0.8 | 5 | 76 | 87 | 1/4 |
Looking for more information about Chicago Pneumatic Orbital Sander? Click here to view the Catalog.
For help selecting the correct Chicago Pneumatic Sanders for your assembly application, call (800) 608-5210 or email info@intlairtool.com
- Type
- Orbital Sander
- RPM
- 10000
- Power (hp)
- 0.3
- Pad Size (in.)
- 3 x 5
- Pad Type
- Rectangular
- Vacuum Type
- Non-vacuum
- Spindle Thread (in.)
- 5/8-24 UNF
- Air Consumption (CFM)
- 17
- Air Consumption (l/s)
- 8
- Sound Power (dBA)
- 73
- Sound Pressure (dBA)
- 84
- Air Inlet
- 1/4"
