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The air die grinder is versatile pneumatic tools used in metalworking shops and garages. With its high-speed rotary motion and variety of interchangeable bits, discs, and wheels, the air die grinder can be used for grinding, cutting, deburring, polishing, and many other applications. We will explore the diverse capabilities of the air die grinder and how it can boost productivity in your shop.

Grinding and Deburring

One of the primary uses for the air die grinder is grinding and deburring metal parts. The high RPM (revolutions per minute) of a die grinder allows it to cut through material quickly when paired with a grinding or sanding disc. Aluminum oxide and silicon carbide grinding discs are commonly used to remove weld spatter, smooth welds, grind surfaces flat, and deburr freshly cut edges. For deburring specifically, dedicated deburring bits are available. These have a dull tip to avoid digging into the base material but an abrasive surface to knock down burrs. The air die grinder excels at getting into tight spaces and quickly deburring edges.

Polishing and Buffing

The high-speed rotary action of the air die grinder also lends itself well to polishing applications. With a felt polishing wheel or cotton buffing wheel attached, the die grinder can polish, buff, or blend surfaces to a smooth, uniform finish. Polishing compounds work best for achieving a glossy mirror finish on metal. Cotton buffing wheels can brighten and blend finishes on plastics, fiberglass, and painted surfaces. The air die grinder allows the operator to easily control the amount of pressure and polishing action for best results.

Surface Prep and Cleaning  

The air die grinder is ideal for cleaning and preparing metal surfaces. Mounted wire wheels and abrasive brushes quickly remove rust, scale, paint and other coatings from steel and iron. Bristle discs and nylon abrasive brushes work well on softer metals like aluminum. The pencil-grip design gives excellent control for confined areas. A subtle sweeping action prevents gouging while allowing rapid cleaning over broad areas. The air die grinder can reach into pockets and internal spaces inaccessible with other tools. Proper surface prep enhances coatings adhesion and overall quality.

Engraving and Carving

While not an everyday application, the air die grinder can also be used as a basic rotary engraving or carving tool on wood, plastic, and soft metals like aluminum. Small engraving cutters designed for die grinders allow the user to carve away material to create designs, lettering, and textures. A steady hand and light touch are required for this delicate work, but in the right hands, the air die grinder becomes a versatile engraving tool. This can be useful for personalizing or adding decorative details to projects.   

Tool Changing

A key benefit of air die grinders is fast, easy accessory changes. The collet system provides instant tool bit changes by simply loosening the collet nut. Operators can swiftly swap between a grinding stone, felt bob, carbide burr, or any other accessory to match the application. Most die grinders accept both 1/8" and 1/4" shank sizes for versatility, quick tool changes make the air die grinder adaptable to multi-process jobs.

Productivity depends on having the right tool for each job. RONGPENG RP27313 air die grinder to deliver versatile, high-performance capabilities.

Lightweight aluminum body, delivering up to 25,000 RPM of grinding power. At just 157mm long and weighing only 0.35kg, prolonged use won't fatigue your hands even during extended jobs. Safety lever prevents accidental starts. Rear exhaust to keep the airflow away from the work area.

Great for high speed grinding, porting smoothing, general polishing and deburring. Used for all kinds of mold, metal products and handicrafts, the manufacturing of circuit board, blank finishing,grinding finishing and so on.

 Model:RP27313

Chuck Size:1/4'' and 1/8''

Free Speed:25000RPM

Overall Length:157mm

Air Inlet:1/4''

Air Hose:3/8''

Sug.Air comp:1.5HP

Net Weight: 0.35kg

Avg.Air Consumption:3cfm(85.5L/min)

RONGPENG has quickly risen to become an unrivaled global producer of air-powered devices including air tools, air spray gun, air nailer, airless paint sprayer, and etc.

RONGPENG seeks independent sales agent to represent and market our industry-leading pneumatic tools. We support OEM, ODM, OBM customization, small order quantity is acceptable and samples are available.

Make any cooperation possible. Any services related to the product, inquire with us now! Rongpeng@Rongpeng.Com