90° Micro Air Die Grinder 1/4" Pneumatic Polisher Kit

Q: What size bits and accessories are compatible with this pneumatic grinder?

This kit includes both a 3mm (1/8-inch) and 6mm (1/4-inch) chuck, making it compatible with a wide range of grinding bits, sanding discs, and polishing accessories available at most hardware stores.

Q: What materials and applications can this air die grinder handle?

This versatile pneumatic grinder is suitable for smoothing, deburring, cutting, polishing, and engraving on molds, hardware products, glass, stone, handicrafts, ornaments, and circuit boards. Its 90° angle head makes it especially useful for tight corners and confined work areas.

90° Micro Air Die Grinder 1/4" Pneumatic Polisher Kit | CE

$120.75 $148.71

Color with 80pcs Only Machine with 45pcs with 51pcs

Ships From Russian Federation China Mainland

90° Micro Air Die Grinder – Pneumatic Polisher, Grinder & Engraving Machine

Take on intricate grinding, polishing, deburring, and engraving tasks with this compact 90-degree micro air die grinder. Built from durable die-cast aluminum and designed for one-handed operation, this pneumatic tool delivers 25,000 RPM of power in a lightweight, easy-to-maneuver package — perfect for home DIY projects, mold finishing, hardware work, and crafts.

Why You'll Love It

90° Angle Head — Reaches confined spaces and tight corners with ease, giving you the flexibility to work where straight tools can't.
Die-Cast Aluminum Body — Lightweight yet tough construction ensures lasting durability on the workshop floor or at home.
One-Hand Safety Trigger — Convenient safety trigger allows for quick, controlled starts and stops with a single hand.
High-Speed Performance — No-load speed of 25,000 RPM powers through smoothing, deburring, cutting, and polishing jobs efficiently.
Low Noise & Low Air Consumption — High concentricity, low vibration, and minimal gas consumption keep your workspace comfortable and efficient.
Dual Chuck Compatibility — Includes both a 3mm (1/8") and 6mm (1/4") chuck for maximum bit and accessory versatility.
Versatile Applications — Ideal for molds, hardware products, glass, stone, handicrafts, ornaments, and circuit board manufacturing.
CE Certified — Meets CE safety standards for peace of mind.

Specifications

Inlet Connector	1/4 inch
Chuck Size	3mm (1/8") / 6mm (1/4")
Machine Diameter	3.4 cm
Working Pressure	6.2 bar
No-Load Speed	25,000 RPM
Exhaust Method	Rear Exhaust
Dimensions	160 × 75 mm
Certification	CE
Country of Origin	Made in China

What's in the Box

1 × Pneumatic Engraving Polishing Machine
2 × Small Wrenches
1 × 3mm Chuck
1 × 6mm Chuck
1 × Air Inlet Connector

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Note: Please allow 1–3 cm difference due to manual measurement. Actual color may vary slightly from images due to lighting and display settings.

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Frequently Asked Questions

Q: What air compressor pressure is required for this micro air die grinder?

A: This 90-degree micro air die grinder operates at a working pressure of 6.2 bar. Make sure your air compressor can deliver this pressure through a standard 1/4-inch inlet connector for optimal performance at 25,000 RPM.

Q: What size bits and accessories are compatible with this pneumatic grinder?

A: This kit includes both a 3mm (1/8-inch) and 6mm (1/4-inch) chuck, making it compatible with a wide range of grinding bits, sanding discs, and polishing accessories available at most hardware stores.

Q: What materials and applications can this air die grinder handle?

A: This versatile pneumatic grinder is suitable for smoothing, deburring, cutting, polishing, and engraving on molds, hardware products, glass, stone, handicrafts, ornaments, and circuit boards. Its 90° angle head makes it especially useful for tight corners and confined work areas.