Chicago Pneumatic 7/8" x 4-1/4" Sinker Drill

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SKU: CP0032A
Chicago Pneumatic

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Product Details

Product Details

Chicago Pneumatic CP0032A 7/8" x 4-1/4" Sinker Drill

Rock drills are the ideal tools for all “hand-held” drilling operations. Their streamlined design incorporates smooth contours, a side exhaust and a "flat-back" that makes them easy to handle in quarry, mine, drilling and dowering work. The design also includes a higher quality valve and cylinder-porting concept that helps maintain constant drilling speed throughout a long service life. Working parts are constantly protected with an effective lubrication system. The tool's durable "beavertail" retainer helps it deliver increased contract and reduces collar speed.


  • 45-50 Pound Class
  • Forged steel housings withstand rugged use
  • Tough latch retainer provides extra support to collar and reduces wear
  • Multi-position throttle for easy starting of holes
  • Cushioned piston reduces shock
  • Blower lever for deep hole cleaning
  • Integral oiler provides continuous and efficient lubrication
  • 3/4" NPT Air inlet swivel improves maneuverability
  • Graduated ratchet throttle control ensures accuracy in collaring holes
  • High-speed drilling
  • Low maintenance
  • Double-grip handles
  • Left hand rotation

Chicago Pneumatic CP0032A Sinker Drill Specifications
ModelCP 0032A
Overall Length
w/ Retainer (in.)
Impact Rate
Drilling Rates
@ 90 PSI
Hole Diameter (in.)1-3/4
Max Drill Diameter
Max Drill Depth
Standard Hex
Chuck Size
7/8 x 4-1/4
Weight (lbs.)56
Questions & Answers
1 questions

Is the CP0032A Sinker Drill available with a 7/8" X 3-1/4" Chuck configuration using a R099374 Chuck, R041321 Sleeve, R041320 Front head, and a R093913 Retainer?

There is a CP0032 Sinker drill available with a 7/8" x 3-1/4" chuck configuration. Part number is 8900 0020 17.

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