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Ingersoll-Rand (IRT3445MAX)

4.5" Wheel Heavy Duty Air Angle Grinder
List Price $415.00
Your Price $239.78
Item Number IRT3445MAX
Mfg Ingersoll-Rand
Part No 3445MAX
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In stock: Yes

The 3445MAX is the perfect choice for high performance material removal. This 4.5" air angle grinder combines a unique internal governor with a powerful 0.88 hp motor, to give you a best-in-class power to weight ratio grinder that will maximize your rate of material removal.

Features and Benefits:

  • 4.5" Air Grinder for high performance finishing
  • MAX Power - 0.88 hp and 12,000 rpm motor delivers the power you need to grind through the toughest jobs.
  • MAX Productivity - Internal governor maximizes speed under load, thus increasing your rate of material removal.
  • MAX Comfort - Lower weight (less than 3.5 lbs) and enhanced grip design enables extended usage without fatigue.
  • Built-in lubricating wick optimizes the life of the angle gear set by improving lubrication to the bevel and pinion gear set.


  • Rated Power hp (kW): 0.88 (0.66)
  • Max Free Speed (rpm): 12,000
  • Exhaust: Rear
  • Output: 5/8" - 11 Thread
  • Wheel Size in. (mm): 4.5" (115)
  • Weight lbs. (kg): 3.4 (1.5)
  • Length in. (mm): 9.6" (245)
  • Vibration m/s2: 6.4, uncertainty: 2.0
  • Sound Pressure/Power dBA: 79.6 / 90.6
  • Average Air Consumption cfm (L/min): 10 (283)
  • Air Consumption @ Load cfm (L/min): 41 (1161)
  • Air Inlet Size NPT in.: 1/4"
  • Min Hose Size in. (mm): 3/8" (10)

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