Ingersoll Rand 311A Dual-Action Quiet Air Sander, 6" Pad
- The Ingersoll Rand 311A Dual-Action Quiet Air Sander is engineered for swirl-free finishing on body filler, feather edging, and metal prep. Its 6" pad, built-in silencer, and compact form offer professional-grade control and low-noise operation.
- Features:
- Dual-action pad motion delivers swirl-free finishes with precision
- Built-in silencer muffles noise for enhanced user comfort
- Adjustable regulator provides precise speed control in tight spaces
- Balanced ball-bearing construction reduces vibration for smoother handling
- Compact body enhances access and control during extended use
- Specifications:
- Manufacturer: Ingersoll Rand
- Part Number: 311A
- Product Type: Pneumatic Dual-Action Air Sander
- Pad Size: 6"
- Orbit Diameter: 3/16"
- Free Speed: 12,000 RPM
- Power: 0.25 HP
- Weight: 4.2 lbs
- Air Inlet: 1/4" NPT
- Minimum Hose Size: 3/8"
- Average Air Consumption: 4 cfm (113 L/min)
- Required Air Pressure: 90 PSI
- Sound Levels: 85.6 dB(A) / 98.6 dB(A)
- Vibration Level: 32.3 m/s² (uncertainty ±5.6)
- The Ingersoll Rand 311A Air Sander can also be referred to as dual-action air sander, 6-inch pneumatic sander, quiet air finishing tool, swirl-free orbital sander, and body shop air sander.
Ingersoll Rand is a leader in professional pneumatic tools. The 311A Dual-Action Quiet Air Sander combines a powerful 6" pad with low vibration and quiet operation to deliver smooth finishes and comfort in automotive and industrial settings.
Q: What makes the 311A air sander produce swirl-free finishes?
A: Its dual-action pad motion counter-rotates while oscillating, minimizing swirl and delivering smooth results on body filler and metal surfaces.
Q: What are its power and speed specifications?
A: The tool runs at 0.25 HP and reaches a free speed of 12,000 RPM for efficient material removal and fine finishing.
Q: How does it manage noise and vibration?
A: The built-in silencer significantly reduces operational noise, and the balanced ball-bearing design lowers vibration for more comfortable, extended use.