Chicago Pneumatic CP9104Q Pencil Die Grinder Tool, 1/8" / 3mm, 60000 RPM

Chicago Pneumatic CP9104Q Pencil Die Grinder Tool, 1/8" / 3mm, 60000 RPM

• The Chicago Pneumatic CP9104Q Pencil Die Grinder Tool is a compact, lightweight pneumatic grinder designed for precision grinding, cutting, deburring, and shaping in tight or hard-to-reach areas. With a high free speed of 60,000 RPM, 0.05 hp / 40 W motor, rear exhaust, quiet 71 dB(A) sound pressure rating, and included 3mm and 1/8" collets, this pencil grinder is ideal for general maintenance, metalworking, automotive repair, and detailed finishing applications.
• Benefits
  • Easy to Handle – Compact pencil-style design supports controlled use during detailed work.
  • Quiet Operation – Low 71 dB(A) sound pressure rating helps reduce noise in the work area.
  • Lightweight Design – Weighs only 0.2 kg / 1/2 lb. to help reduce operator fatigue.
  • Ideal for Limited Spaces – Slim body and compact length make it useful for restricted-access applications.
  • General Maintenance Use – Suitable for precision grinding, deburring, cutting, and shaping tasks.
• Features
  • 60,000 RPM Free Speed – Delivers high-speed performance for precision material removal and finishing.
  • 3mm and 1/8" Collets Included – Provides compatibility with common small grinding and rotary accessories.
  • Silencer Hose Included – Helps support quieter operation during use.
  • Rear Exhaust – Directs exhaust air away from the work area and operator.
  • Low Vibration – Vibration level is rated at <2.5 m/s² per ISO-28927-12.
• Specifications
  • Manufacturer: Chicago Pneumatic
  • Model: CP9104Q
  • Part Number: 6151959104
  • Product Type: Pencil Die Grinder Tool
  • Collet Size: 3mm / 1/8"
  • Free Speed: 60,000 RPM
  • Power: 40 W / 0.05 hp
  • Air Inlet Thread Size: 1/4"
  • Minimum Hose Size: 10mm / 3/8"
  • Average Air Consumption: 96 l/min / 3.5 cfm
  • Free Speed Air Consumption: 3.3 l/s / 7 cfm
  • Actual Air Consumption: 7 cfm
  • Length: 133mm / 5.2"
  • Net Weight: 0.2 kg / 1/2 lb.
  • Exhaust Type: Rear
  • Sound Pressure: 71 dB(A)
  • Sound Power: 82 dB(A)
  • Vibration: <2.5 m/s²
  • Vibration Standard: ISO-28927-12
• Applications
  • Precision grinding
  • Deburring
  • Cutting and shaping
  • Metal finishing
  • Automotive repair
  • General maintenance
  • Work in tight or limited-access spaces
• The Chicago Pneumatic CP9104Q Pencil Die Grinder is also commonly referred to as a CP pencil grinder, 1/8" die grinder, 3mm pencil grinder, pneumatic pencil grinder, high-speed air grinder, precision die grinder, and compact deburring tool.

Q: What is the free speed of the Chicago Pneumatic CP9104Q?
A: The CP9104Q has a free speed of 60,000 RPM.

Q: What collet sizes are included?
A: The tool includes 3mm and 1/8" collets.

Q: Is this pencil grinder suitable for tight spaces?
A: Yes. Its compact pencil-style body and 5.2" length make it ideal for limited-space applications.

Q: How loud is the CP9104Q during operation?
A: It has a low sound pressure rating of 71 dB(A) and includes a silencer hose.