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1/4 inch angle die grinder has a free speed of up to 20,000 RPM with 0.32HP motor, small size, and high power, suitable for working in tight spaces.
The 90-degree head design for reaching tight or angled grinding jobs, The pneumatic angle die grinder features a built-in speed regulator for better control.
Ergonomically designed, lightweight aluminum body with low vibration design to reduce hand fatigue，durable ball-bearing motor，rear exhaust.
Suitable for precision machining, grinding, engraving, polishing, smoothing, deburring, chamfering, and deburring.
Including 22 grinding discs for different purposes, ready to use.
SMALL + LIGHT: Ingersoll Rand Air Die Grinder 301B has a light but sturdy design and weighs only 1.02 lbs; It provides easy operation and better access to tight spots
0.25 HP MOTOR: It is powered by compressed air, not electric, and comes equipped with a 0.25 horsepower motor, a 1/4-inch collet, and a self-locking throttle for extra safety. With 21,000 RPM, it will power through difficult jobs
BALL BEARING CONSTRUCTION: Durable ball-bearing construction offers improved balance, reduces vibration, and ensures a longer product life
ALUMINUM HOUSING: It has a strong aluminum housing that withstands the toughest operating conditions, and the front exhaust keeps your work surface clean
APPLICATIONS: Use this air die grinder as a handheld power rotary tool for grinding, cutting, polishing, and more
【High Quality】Specially treated core components enhance wear resistance and durability, ensuring long-lasting performance even under heavy use.
【Versatile Applications】With four accessories: 5 types sand discs about 80 mesh brown corundum sand disc, 400 mesh scouring pad rotating sand disc, 80 mesh torque zirconium corundum louver sand disc and woll wheel sand disc
【Strong Applicability】The 90-degree head design for reaching tight or angled grinding jobs, widely used in automobiles, motorcycles, boilers, casting, engineering and other industries, deburring, oxidation, polishing, welding, etc
【Powerful plus Robust】Equipped with a built-in speed regulator, this pneumatic angle grinder ensures optimal RPM adjustment for different materials
【User Friendly】The air Angle grinder is equipped with a safety switch to prevent accidental contact. Designed with a lightweight aluminum body and low vibration, this grinder minimizes hand fatigue for prolonged use
RELIABLE AIR GRINDER: The 302B angle grinder is a powerful air tool that delivers 0.33 hp (0.25 kW) and a free speed of 20,000 rpm for exceptional performance in various grinding and polishing tasks.
CONVENIENT IMPACT GRINDER: This grinder includes 2 wrenches, a 1/4" collet, and a 6 mm collet, providing versatility and convenience for different applications and tooling requirements.
HEAVY-DUTY CONSTRUCTION: Our die grinder boasts a durable ball-bearing construction that improves balance, reduces vibration, and ensures a longer product life in demanding industrial environments.
IMPRESSIVE FEATURES: This lightweight compressor tool is made with an ergonomic composite housing and compatible with “piped away” exhaust kits, so you can transfer exhaust away from your workspace.
UNLOCK YOUR POTENTIAL: For 160 years, Ingersoll Rand has been committed to making life better by creating innovative, durable, and quality tools. Our legacy is reflected in every product we make.
RELIABLE ANGLE GRINDER: The 3107G Air Die Grinder features a powerful 1/3 hp motor and a 1/4-inch collet. Powered by compressed air, this air tool has a rear exhaust and a self-locking throttle. It delivers 27,000 rpm to tackle even the most challenging jobs with ease.
CONVENIENT AIR GRINDER: This air-compressor grinding tool is equipped with a contoured grip for enhanced comfort and control during operation, ensuring precise torque and increased productivity while grinding, cutting, polishing, and more.
HEAVY-DUTY CONSTRUCTION: The 3107G boasts a ball-bearing construction that ensures exceptional durability. This compact, lightweight tool weighs only 1 lb. Each component has undergone rigorous testing to ensure long-lasting performance.
IMPRESSIVE FEATURES: Experience unmatched reliability and efficiency with the Ingersoll Rand 3107G Air Die Grinder. Its exceptional torque precision and its lightweight and sturdy construction make it the ideal choice for professionals and DIY enthusiasts.
UNLOCK YOUR POTENTIAL: For 160 years, Ingersoll Rand has been committed to making life better by creating innovative, durable, and quality tools. Our legacy is reflected in every product we make.
Complete Air Die Grinder Kit: Including one pneumatic right angle die grinder (20,000 RPM), 24PC sanding discs, 1PC base, 1PC compressed air connection, 2PC Collets (1/4" & 1/8") , a bottle of 10ml lubricant, 1PC 11mm chuck key & 1PC 17mm chuck key
Lightweight & Ergonomic Design: Only weights 1.1lb (0.5kg) and application for one hand operation. Ergonomic Handle is designed with rubber & anti-slip texture so that let users grip comfortably and reduce hand fatigue
Wide Applications: Multi-functional, ideal for working in tight spaces, used to grind and clean hubs, notches, and recesses. Besides, applicable for for grinding, polishing, deburring, engraving and rust removal. Great gift for husband, men and DIY lovers
1/4" Air straight Die grinder-This air die grinder features a straight head, equipped with a 1/4" collet and a 1/8" collet, which could hold a variety of grinding bits, ideal for all kinds of materials. This pneumatic die grinder has a unique latch attached to the trigger mechanism that acts as a child safety lock to prevent the tool from accidentally starting up. Note: Please remove the DUST PLUG before inserting the air connector.
Lightweight & Ergonomic Designed Body - The air die grinder features a slim design. It has a light (0.72 lbs) but a durable and solid body, maneuverable and perfect for a one-handed grip. The ergonomically designed body is comfortable to hold for long work sessions.
High Free Speed - The Pneumatic straight die grinder operates at a maximum speed of 25,000 RPM continuous power with an air compressor(Air compressor is NOT INCLUDED), allowing precision cutting, grinding, shaping, and sanding. Operating pressure: 90psi (6.3 bar). Air consumption: 85.5l/min (3cfm). Note: Use sealant tape to avoid air leakage.
Rear Exhaust - A rear exhaust makes the lower sound level possible while ensuring the exhaust isn't hitting the operator in the face. The air inlet filter could keep the die grinder from contamination. Note: All pneumatic tools require adding oil regularly (lubricant included).
Wide Application - The air compressor usually provides higher RPM than the electric motor, and they can maintain it indefinitely as long as your air compressor is large enough. This straight die grinder weighs less than one pound and can reach up to 25000RPM continuous power, suitable for welding repair, fabrication, cutting, polishing, grinding, and general machining for Automotive Pros.
Air grinders are versatile and powerful tools used for cutting, grinding, polishing, and finishing metal, wood, and other materials. Powered by compressed air, these tools offer precision and efficiency, making them indispensable in workshops, garages, and various industrial settings. With models ranging from small pencil grinders for intricate work to larger angle grinders for heavy-duty tasks, selecting the right air grinder involves understanding the specific requirements of your projects. This guide will outline the essential factors to consider, helping you choose the best air grinder for your needs.
Key Features to Consider
Type of Grinder
Straight (Die) Grinders: Best for precision work, accessing tight areas, and finishing jobs.
Angle Grinders: Ideal for heavy-duty cutting, grinding, and material removal over larger surfaces.
Power and Speed
RPM (Revolutions Per Minute): Higher RPMs mean more speed but consider the type of work to find a balance between speed and control.
Horsepower: Indicates the power of the grinder. More horsepower is beneficial for demanding tasks requiring material removal.
Size and Weight
Compact Design: Smaller grinders are easier to handle, especially for precision tasks or when working in tight spaces.
Weight: Lighter models reduce fatigue during extended use but ensure the tool still has enough power for your tasks.
Air Consumption
CFM (Cubic Feet per Minute): Measures the air consumption. Ensure your air compressor can meet the tool’s CFM requirement for optimal performance.
Ergonomics and Usability
Grip and Comfort: Look for ergonomic designs that fit well in your hand, with features like anti-vibration to enhance comfort.
Ease of Use: Consider grinders with adjustable guards, easy-to-use controls, and quick-change mechanisms for convenience.
Durability and Build Quality
Material and Construction: High-quality materials and solid construction ensure longevity and reliability under frequent use.
Maintenance: Understand the maintenance needs, such as regular oiling, to keep the grinder in top condition.
Noise Level
Sound Output: Air grinders can be loud. Models with noise reduction features are important if noise is a concern in your work environment.
Additional Features
Adjustable Speed Settings: Allows for greater versatility and control over different materials and tasks.
Safety Features: Look for safety locks, throttle guards, and other features to prevent accidental starts and enhance safe operation.
Pros and Cons
Pros of Air Grinders
Cons of Air Grinders
✔️ High precision and control for detailed work
❌ Require a compatible air compressor
✔️ Powerful and efficient for material removal
❌ Can be noisy, requiring hearing protection
✔️ Durable and reliable for long-term use
❌ Continuous use may require frequent breaks to prevent overheating
✔️ Versatile across a range of applications
❌ Air hose limits mobility compared to cordless models
Quick Tips
Assess Your Projects: Determine the types of materials you’ll be working with and the nature of the tasks to choose the appropriate type of grinder.
Compressor Compatibility: Ensure your air compressor can deliver the required CFM and PSI to power the grinder effectively.
Try Before You Buy: If possible, handle the grinder to assess its weight, balance, and ergonomics to ensure it’s comfortable for your use.
Selecting the best air grinder involves considering the type of grinder, power and speed, size and weight, air consumption, ergonomics and usability, durability, noise level, and additional features. The ideal air grinder for you will offer the necessary power and flexibility to efficiently complete your tasks, with a design that minimizes fatigue and maximizes productivity. Whether for automotive repairs, metal fabrication, woodworking, or any other application requiring grinding and finishing, a carefully chosen air grinder can significantly enhance your work efficiency and the quality of your results.
