Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM

Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM

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$135.35 $183.16
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Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
  • Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM
Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM

Pneumatic Die Grinder Air Carving Pen 2.38–3.0mm 70,000 RPM

$135.35 $183.16
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Cocostar JQS-270A Pneumatic Die Grinder & Air Carving Pen

Take your engraving, carving, and precision grinding work to the next level with the Cocostar JQS-270A Pneumatic Die Grinder. Engineered for commercial manufacturing and fine craft work alike, this compact air-powered carving pen delivers an impressive 70,000 RPM no-load speed and accepts 2.38–3.0 mm collets — making it a versatile workhorse for deburring, polishing, routing, and intricate engraving tasks.

Made in Mainland China.

Key Features

  • Ultra-High Speed: 70,000 RPM no-load speed for fast, efficient material removal and smooth finishing.
  • Short Collet Seat Design: The redesigned short collet seat minimizes deflection and maintains excellent concentricity — even after extended, heavy-duty use.
  • Precision Fine-Tuning Switch: Copper air intake shaft construction delivers effective noise reduction, increased exhaust volume, and improved torque output.
  • Imported Japanese Bearings: Long-life bearings rated for sustained 70,000 RPM operation extend the tool's service life and increase grinding speed.
  • Exceptional Concentricity: Rotary concentricity of 0.01–0.03 mm/m keeps vibration minimal, doubling grinding rod durability and leaving workpieces with a smoother finish.
  • Generous Air Hose: Includes a 1.6 m air hose for comfortable reach and maneuverability at your workstation.
  • Compact & Ergonomic: Slim pen-style body (145 × 15.5 mm) fits naturally in hand for precise, fatigue-free control during detailed work.

Specifications

Model JQS-270A
No-Load Speed 70,000 RPM
Collet Size 2.38–3.0 mm
Air Consumption 0.03 m³/min
Air Hose Length 1.6 m
Body Dimensions 145 × 15.5 mm
Origin Mainland China

User Care & Maintenance

  1. Before first use, add special pneumatic tool oil through the air hose.
  2. Lubrication is essential — keep the tool properly oiled at all times.
  3. Drain moisture from your air compressor regularly to prevent water damage.
  4. After each use, add 5–8 mL of pneumatic tool oil and run the tool at idle for approximately 30 seconds.
  5. Avoid running the air compressor motor without a load for extended periods.

Note: Pneumatic tool oil cannot be shipped by air due to transport safety regulations. Oil must be sourced separately.

Warranty & Guarantee

Backed by a 3-month warranty and a 7-day exchange policy (from delivery date) for total peace of mind.

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Frequently Asked Questions

Q: What collet sizes does the JQS-270A pneumatic die grinder accept?

A: The JQS-270A accepts collets in the 2.38–3.0 mm range, making it compatible with a wide variety of standard engraving bits, grinding rods, and carving accessories.

Q: Does this air carving pen require an air compressor?

A: Yes. As a pneumatic tool, the JQS-270A requires a compatible air compressor to operate. The included 1.6 m air hose connects directly to your compressor's air line. Ensure your compressor provides adequate pressure for optimal performance.

Q: How do I maintain this pneumatic die grinder for long-term use?

A: Regular lubrication is key. Before first use and after every session, add 5–8 mL of pneumatic tool oil through the air hose and run the tool at idle for ~30 seconds. Also drain moisture from your air compressor regularly to protect the internal components and extend the tool's lifespan.

Q: What makes this grinder suitable for precision engraving and carving?

A: The JQS-270A features imported Japanese bearings, a short collet seat for reduced deflection, and a rotary concentricity of just 0.01–0.03 mm/m. This combination minimizes vibration and keeps the tool running true at high speed, resulting in cleaner, smoother workpieces and greater durability of grinding rods.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

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