Ingersoll Rand 301B 1/4 in Air Angle Die Grinder, Right Angle, 21,000 RPM, Safety Lock, Aluminum Housing

• Compact and durable, this right-angle 1/4 in air die grinder delivers 21,000 rpm for precise grinding, deburring, weld cleanup, and polishing in tight spaces—ideal for collision centers and dealership service bays. A metal housing, safety-lock throttle, and front exhaust support control, visibility, and uptime on tough jobs.
• Features:
  • Right-angle head for access to hard-to-reach areas on body panels and brackets.
  • Integral safety-lock throttle lever helps prevent accidental start-up.
  • Strong aluminum housing with ball-bearing construction for durability and long life.
  • Front exhaust helps keep the work surface clear while grinding.
  • 0.25 hp (0.19 kW) motor; free speed 21,000 rpm for fast material removal.
• Specifications:
  • Manufacturer: Ingersoll Rand
  • Part Number: 301B
  • Product Type: Pneumatic right-angle die grinder
  • Collet Size: 1/4 in (6 mm)
  • Free Speed: 21,000 rpm
  • Rated Power: 0.25 hp (0.19 kW)
  • Air Inlet / Connection Type: 1/4 in NPT
  • Average Air Consumption: 6 CFM; Air Consumption at Load: 24 CFM
  • Exhaust: Front
  • Length: 5.27 in; Weight: 1.02 lb
  • Sound Level: 91.8 dB(A) pressure / 104.8 dB(A) power; Vibration: 5.9 m/s²
  • Applications: Porting, weld grinding, edge smoothing, deburring, polishing
• The 1/4 in Air Angle Die Grinder can also be referred to as right angle pneumatic die grinder, 21,000 rpm air grinder, 1/4 inch collet die grinder, Ingersoll Rand 301B grinder, and compact angle die grinder.

 

Ingersoll Rand builds rugged pneumatic tools trusted in professional maintenance and collision repair. The 301B series combines durable metal construction with ergonomic control to deliver consistent results in daily shop use.

 

Q: What air supply do I need to run this tool?
A: Plan for about 6 CFM average and up to ~24 CFM at load, with a 3/8 in air hose and clean, lubricated air for best performance.

 

Q: Which accessories fit the collet?
A: It accepts 1/4 in (and 6 mm) shank mounted points, carbide burrs, and sanding attachments rated for at least 21,000 rpm.

 

Q: Does it have a safety feature to prevent accidental starts?
A: Yes—an integral safety-lock throttle lever helps prevent unintended tool engagement.

 

Q: Where does the exhaust air exit?
A: The 301B uses a front-exhaust design to direct air away from the operator and clear the work area.