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9 Best Lock And Lube Grease Guns 2025 in the United States

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Our Top Picks

#1

Winner

LockNLube Heavy-Duty Pistol Grip Grease Gun. Includes our patented LockNLube® Grease Coupler (Locks On, Stays On, Won't Leak!) plus a high-quality 20" hose and in-line hose swivel

Rating
9.8
Chosen by1,333
Pressure Rating
Build Quality and Durability
Ease of Use

Most important from
2256 reviews

Pressure Rating
It handles high-pressure applications effortlessly, making it suitable for both professional mechanics and DIY enthusiasts.
Build Quality and Durability
The quality of this grease gun is excellent, outperforming others that were difficult to prime and use.
Ease of Use
This grease gun is extremely easy to use one-handed, making it highly convenient.

The LockNLube Heavy-Duty Pistol Grip Grease Gun is a robust tool designed for both commercial and residential use. One of its standout features is the patented LockNLube Grease Coupler, which ensures a secure and leak-free connection, making greasing tasks less messy. The 20-inch heavy-duty hose and in-line hose swivel provide flexibility and ease of access to difficult spots, which could be especially useful in automotive or machinery maintenance. The ergonomic handle and rubber grip enhance comfort during use, an advantage for prolonged tasks.

With a pressure rating of up to 5,000 PSI, this grease gun is powerful enough for most demanding applications, ensuring efficient and thorough lubrication. Build quality appears to be solid, constructed from durable metal, and weighing in at a manageable 3.64 pounds, it's relatively easy to handle. However, its manual operation might require more effort compared to pneumatic or battery-powered grease guns, potentially making it less appealing for users who require frequent or high-volume greasing.

Another consideration is that it does not include batteries, although they are not required for its operation. This grease gun is well-suited for users seeking a reliable, high-pressure tool for various greasing tasks, although those looking for automated convenience might need to consider alternatives.

Rating
9.8
Chosen by1,333
Pressure Rating
Build Quality and Durability
Ease of Use

Most important from
2256 reviews

Pressure Rating
It handles high-pressure applications effortlessly, making it suitable for both professional mechanics and DIY enthusiasts.
Build Quality and Durability
The quality of this grease gun is excellent, outperforming others that were difficult to prime and use.
Ease of Use
This grease gun is extremely easy to use one-handed, making it highly convenient.
#2

LockNLube Grease Gun Coupler XL - Extra reach for recessed grease fittings

Rating
9.6
Build Quality and Durability
Ease of Use

Most important from
4718 reviews

Build Quality and Durability
Seems to be built with quality, solid feeling materials, and comes with spare parts when the original pieces wear out.
Ease of Use
This does exactly what it should—the perfect fix for sloppy grease guns. It just WORKS. Simple, easy, and brilliant.

The LockNLube Grease Gun Coupler XL is designed for those needing an effective and reliable tool for greasing recessed fittings. One of its standout features is its impressive pressure rating of up to 10,000 PSI, which ensures it can handle even the most demanding tasks without leaking. Additionally, it locks on securely to fittings, allowing for hands-free operation, which is particularly useful when working with shielded PTO shafts, axles, and U joints.

The 3.5-inch reach provides extra convenience for accessing recessed grease fittings that are typically hard to reach with standard couplers. A notable advantage is its compatibility with all standard grease guns and both SAE and Metric Zerk fittings, making it a versatile addition to any toolkit. The inclusion of a rebuild kit is a thoughtful touch, allowing for easy maintenance and extended product life.

However, the coupler's size and weight, at 5.5 inches in length and 6.1 ounces, may feel a bit bulky for some. While the product does not require batteries, which simplifies its use, it might still be a learning curve for those not familiar with grease gun maintenance. This product is an excellent choice for users frequently dealing with difficult-to-reach grease fittings and looking for a durable, high-pressure grease gun coupler.

Rating
9.6
Build Quality and Durability
Ease of Use

Most important from
4718 reviews

Build Quality and Durability
Seems to be built with quality, solid feeling materials, and comes with spare parts when the original pieces wear out.
Ease of Use
This does exactly what it should—the perfect fix for sloppy grease guns. It just WORKS. Simple, easy, and brilliant.
#3

LockNLube Professional Pistol-Grip Grease Gun

Rating
9.3
Hose Length and Flexibility
Build Quality and Durability
Ease of Use

Most important from
856 reviews

Hose Length and Flexibility
The built-in swivel and hose storage are incredibly handy features, enhancing the greasing process.
Build Quality and Durability
The LockNLube grease gun is built with good quality and durability, making equipment maintenance much easier.
Ease of Use
The LockNLube coupler provides a secure connection, making the greasing process efficient and mess-free.

The LockNLube Professional Pistol-Grip Grease Gun is a robust tool designed for heavy-duty greasing tasks. It boasts an impressive pressure rating of up to 8,000 PSI, ensuring that it can handle even the most stubborn grease fittings. One of its standout features is the included LockNLube Grease Coupler, which provides a secure and leak-free connection, making the greasing process much more efficient and less messy.

Additionally, the integrated handle clip and Loop & Lock system make it convenient to store and carry, keeping your workspace tidy and organized. The 20-inch whip hose and in-line hose swivel enhance its flexibility and reach, allowing you to access hard-to-reach areas with ease. Furthermore, the replacement seal kit extends the lifespan of the LockNLube Grease Coupler, adding to its durability.

This grease gun is a great choice for those needing a powerful, easy-to-use, and durable greasing tool, especially ideal for professional mechanics and heavy machinery maintenance.

Rating
9.3
Hose Length and Flexibility
Build Quality and Durability
Ease of Use

Most important from
856 reviews

Hose Length and Flexibility
The built-in swivel and hose storage are incredibly handy features, enhancing the greasing process.
Build Quality and Durability
The LockNLube grease gun is built with good quality and durability, making equipment maintenance much easier.
Ease of Use
The LockNLube coupler provides a secure connection, making the greasing process efficient and mess-free.

Buying Guide for the Best Lock And Lube Grease Guns

Choosing the right lock-and-lube grease gun can make your maintenance tasks much easier and more efficient. Grease guns are essential tools for lubricating machinery, vehicles, and other equipment to ensure smooth operation and longevity. When selecting a grease gun, it's important to consider several key specifications to find the best fit for your needs. Understanding these specs will help you make an informed decision and ensure you get a product that meets your requirements.
Type of Grease GunThere are several types of grease guns, including manual, pneumatic (air-powered), and battery-operated. Manual grease guns are operated by hand and are suitable for light to moderate use. Pneumatic grease guns use compressed air and are ideal for heavy-duty applications where a lot of grease is needed quickly. Battery-operated grease guns offer the convenience of portability and are great for frequent use without the need for a power source. Choose the type based on how often and where you will be using the grease gun.
Pressure RatingThe pressure rating of a grease gun indicates the maximum pressure it can generate, usually measured in pounds per square inch (PSI). Higher pressure ratings are important for heavy-duty applications and for pushing grease through clogged or tight fittings. For light to moderate use, a grease gun with a pressure rating of around 3,000 PSI is sufficient. For more demanding tasks, look for a grease gun with a pressure rating of 6,000 PSI or higher. Consider the type of equipment you will be lubricating to determine the appropriate pressure rating.
Grease CapacityGrease capacity refers to the amount of grease the gun can hold, typically measured in ounces or grams. Larger capacity grease guns require less frequent refilling, which can be more convenient for extensive lubrication tasks. Smaller capacity grease guns are lighter and easier to handle, making them suitable for occasional use or for reaching tight spaces. Assess the volume of lubrication work you need to perform to decide on the right grease capacity for your needs.
Hose Length and FlexibilityThe hose length and flexibility of a grease gun determine how easily you can reach different parts of the equipment you are lubricating. Longer and more flexible hoses allow you to access hard-to-reach areas without having to move the equipment. For general use, a hose length of around 18 inches is usually sufficient. For more complex machinery with difficult-to-reach fittings, consider a grease gun with a longer and more flexible hose. Think about the types of equipment you will be working on to choose the appropriate hose length and flexibility.
Build Quality and DurabilityThe build quality and durability of a grease gun are important for ensuring it can withstand regular use and harsh working conditions. Look for grease guns made from high-quality materials such as steel or aluminum, which offer better durability and longevity. Additionally, check for features like a sturdy handle and a secure locking mechanism to ensure reliable performance. If you will be using the grease gun frequently or in tough environments, prioritize build quality and durability to get the best value for your investment.
Ease of UseEase of use is a crucial factor, especially if you will be using the grease gun frequently. Features such as an ergonomic handle, easy-to-load cartridges, and a clear grease level indicator can make the grease gun more user-friendly. Consider how comfortable and convenient the grease gun is to operate, particularly if you will be using it for extended periods. Choose a grease gun that offers a good balance of functionality and ease of use to make your lubrication tasks more efficient and less tiring.

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