10 Best Grease Gun 2025 in the United States

The DEWALT 20V MAX Grease Gun (DCGG571B) is a cordless tool designed for ease of use and powerful performance. It stands out for its impressive pressure rating, offering up to 10,000 PSI, which is great for tackling clogged grease fittings. The variable speed trigger allows users to control the grease flow, making it versatile for different applications.

With a hose length of 42 inches, it’s capable of reaching those hard-to-access spots, and the built-in LED light is handy for working in dark or tight areas. The high-volume pump delivers grease at a rate of up to 5.0 oz/min, efficiently handling high-flow applications. Additionally, the air-bleeder valve helps in priming the pump after cartridge changes, which is a useful feature for maintaining the tool's performance.

The build quality is robust, typical of DEWALT products, ensuring durability and longevity. This model is sold as a bare tool, so batteries and chargers need to be purchased separately, which can add to the cost. While it's relatively lightweight at 8 pounds, some might find it a bit heavy for extended use. The no-mar foot design allows the tool to rest easily on flat surfaces without causing damage. The included shoulder strap adds to its portability and ease of use. This grease gun is best suited for automotive professionals or anyone needing reliable heavy-duty grease application, offering a combination of powerful performance and user-friendly features.

The Milwaukee 2646-20 M18 2-Spd Grease Gun is a cordless grease gun designed for automotive and heavy machinery maintenance. It boasts an industry-leading maximum operating pressure of 10,000 PSI, making it highly efficient for demanding lubricating tasks. The 48-inch flexible hose is a notable feature, allowing users to reach challenging and tight spots with ease.

Additionally, the air bleeder valve facilitates quick priming, reducing downtime and enhancing productivity. The lock-on/lock-off trigger adds to user convenience by making continuous operation less tiring, and the pre-set grease counter dial ensures precision in delivering the right amount of grease, minimizing waste and mess. However, it's important to note that this tool is sold as a bare tool, meaning it does not come with batteries or a charger, which could be an added cost and inconvenience for some users.

The build quality is robust with its metal construction, ensuring durability and longevity. The product's ease of use is further complemented by its cordless nature, powered by an 18-volt lithium-ion battery, making it highly portable. Users who perform regular maintenance on vehicles or machinery will find this grease gun particularly beneficial. Its five-year tool warranty offers peace of mind regarding its reliability and performance. While the lack of included batteries may be a downside, the performance and features make it a strong contender in the grease gun market.

The LockNLube Heavy-Duty Pistol Grip Grease Gun is a versatile tool suitable for both commercial and residential use. It features a unique LockNLube Grease Coupler that ensures a secure and leak-free connection, making it easier to work without mess. The 20-inch heavy-duty hose, coupled with an in-line hose swivel, provides flexibility and reach, which is beneficial for accessing tight spaces. Its rubber grip and ergonomic handle enhance comfort during extended use, reducing hand fatigue.

With a pressure rating of up to 5,000 PSI, this grease gun is powerful enough for most applications, making it a reliable choice for heavy-duty tasks. The build quality is robust, given its metal construction, and it weighs 3.64 pounds, which is manageable for most users. It's hand-powered, eliminating the need for batteries, which is convenient but may require more manual effort. The LockNLube Heavy-Duty Pistol Grip Grease Gun stands out for its ease of use and efficiency, making it a practical tool for anyone needing a reliable grease gun.