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Ingersoll Rand


For more than 100 years, professionals have relied on Ingersoll Rand for quality and performance on the toughest jobs. Our advanced engineering and manufacturing have a standard of excellence often copied, but never matched. When it comes to assembly tools, industrial tools, cordless tools and vehicle service tools, don't settle for less. Count on genuine Ingersoll Rand tools, accessories, and equipment.

8258-C21-3 Self-Feed Twin Drill by IR Ingersoll Rand

Product Details and Specifications

8258-C21-3 Specifications

Model 8258-C21-3
Sound Level dB(A) 74
Air Consp. @ Working Speed ft^3/cycle (L/cycle) 2.3 (65)
Nominal Drilling Capacities Wood, Med. or FRP 7/32 (5.6)
Stroke Lengths 3.0" (76 mm)
Thrust @ 90 PSI lb. (N) 170 lbs.
Free Speed rpm 2,100
Nominal Drilling Capacities Stnls. Steel Type 304 5/64 (1.9)
Std. Chuck Capacity in. (mm)
Nominal Drilling Capacities Steel SAE 1213 5/32 (4.0)
Nominal Drilling Capacities Aluminum 2024-T4 7/32 (5.6)
Gear Reduction Single

1/4" ( 6.4 mm ) Capacity , Steel - 0.50 H.P. ( .37 kW ) 1/2" to 2 1/2" spindle adjustment ( 12.7mm to 63.5 mm )
  • Adjustable spindles allow reapplication as machining requirements change.
  • Comprehensive range of American and metric collets available to meet a wide variety of hole specifications.
  • Double-acting air piston provides smooth, controlled forward and retract strokes.
  • Needle valve controls allow adjustment of forward and retract strokes.
  • Adjustment screw provides infinite stroke length settings up to 3.0" maximum.
  • Muffled exhaust for a quieter work environment.

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8258-C21-3 Self-Feed Twin Drill by IR Ingersoll Rand