Grease Guns

Grease Guns in the UK: Find Popular Offers, Compare Price Lists, and Pick the Best Tool for Your Garage

What Is a Grease Gun and Why You Need One

When something squeaks, drags, or just feels rough in motion, a grease gun is the quiet hero that fixes it. These tools push lubricating grease into bearings, bushings, and joints through zerk fittings so parts glide instead of grind. Whether you’re maintaining a lawn tractor, refreshing suspension joints, or keeping a trailer road-ready, a quality grease gun saves time, prevents costly wear, and keeps everything working smoothly. Think of it as a pressure-fed oil can—only tougher, cleaner, and far more precise.

Types of Grease Guns: Manual, Pneumatic, and Cordless

Grease guns come in three main styles: manual (lever and pistol-grip), pneumatic (air-powered), and cordless (battery-powered). Manual guns are simple and reliable; pneumatic models speed things up if you already have an air compressor; cordless grease guns offer the fastest, cleanest flow with portable power. Which is best? It depends on how often you grease, the pressure you need, and whether you’ll be working on light-duty gear or heavy equipment.

Lever-Action Grease Guns

Lever guns are the classic workhorses. You pump a long lever with one hand while holding the coupler steady with the other. They’re great for delivering higher pressure with minimal fuss, often reaching 6,000–10,000 psi depending on the model. Output is typically around 1 oz per 30–40 strokes, which is perfect for precise lubrication. If you want rugged simplicity, few moving parts, and dependable pressure, a lever-action gun gets it done without breaking the bank.

Pistol-Grip Grease Guns

Pistol-grip grease guns are one-handed crowd-pleasers. Squeeze the handle and feed grease with your other hand free to position the hose or steady the fitting. They’re ideal for tight spaces and quick jobs. Most accept standard 14 oz cartridges, though mini 3 oz models are handy for glove-box or toolbox duty. If you value convenience and control—especially for cars, motorcycles, and mowers—a pistol-grip gun is often the sweet spot.

Pneumatic (Air) Grease Guns

If you’re already using an air compressor, a pneumatic grease gun can cut your greasing time dramatically. Trigger control regulates flow while shop air (often around 90 psi) drives the grease. These are efficient for fleets, workshops, and farm sheds where you’re hitting multiple fittings in one go. Look for a flexible hose around 18–48 in and a sturdy coupler. If you need speed and consistent delivery, air-powered is a solid upgrade.

Battery-Powered Grease Guns

Cordless grease guns take the top spot for convenience and power. With 12V or 18V batteries, many deliver up to 10,000 psi and impressive flow rates, perfect for stubborn fittings on tractors, excavators, or trucks. Features like 36–48 in hoses, LED work lights, shoulder straps, and variable speed triggers make them a joy to use. Yes, they cost more, but if you grease often or deal with heavy equipment, a cordless model can feel like flipping on “easy mode.”

Key Features to Compare Before You Buy

Grease guns may look similar, but the details matter. Check max pressure (psi), hose length (in or ft), cartridge capacity (most take 14 oz), loading style (cartridge, bulk, or pump-fill), coupler type (standard or locking), and priming aids like bleed valves. Ergonomics—grip shape, trigger tension, and overall weight—can determine whether a long greasing session feels easy or exhausting. Read spec sheets carefully and match the tool to your workload.

Pressure and Flow

Stubborn zerks and tight bearings may need 8,000–10,000 psi to accept grease, while everyday chassis points are happy at lower pressures. Flow rate dictates how fast you fill a cavity. For precision, slower is often better; for fleets, a higher flow is a lifesaver. Variable speed triggers on cordless models or careful pumping on manuals help you fine-tune delivery and avoid blowouts.

Capacity and Loading Styles

Most full-size grease guns use standard 14 oz cartridges—easy to swap and mess-minimizing. Mini guns use 3 oz cartridges for portability. Bulk loading (scooping grease directly into the barrel) can save money if you buy in larger tubs, while pump-fill from a bulk pail keeps things clean if you’ve got a filler nipple. Choose what fits your workflow and storage.

Hose and Coupler

A flexible hose between 12–48 in lets you reach awkward fittings without wrestling the gun. Rigid extensions offer steadier control for straight shots. A locking coupler is worth its weight in gold—click it on, and it stays on, freeing your hands. Add right-angle or needle adapters for tight or recessed fittings, and you’ll be ready for whatever your equipment throws at you.

Build and Ergonomics

Look for sturdy steel or aluminum barrels, knurled grips for better hold, and seals that resist wear from common greases. Weight matters: a 2–8 lb tool might not sound heavy, but after a dozen fittings, you’ll notice. On cordless models, extras like LED lights, battery gauges, and carry straps make real-world use faster and safer.

Grease Types and Compatibility

Not all greases are created equal. The wrong grease can wash out, melt, or clash with existing lubricants. Most guns handle NLGI Grade 1 or 2 grease, with Grade 2 being the everyday favorite for chassis and bearings. Beyond grade, pay attention to thickener chemistry (lithium complex, calcium sulfonate, aluminum complex) and base oil type. Choose according to speed, load, moisture, and temperature—then stick with a compatible family to avoid mixing problems.

Understanding NLGI Grades

NLGI is essentially a measure of grease stiffness. Grade 0 is softer and flows more easily in cold conditions; Grade 2 feels like peanut butter and is the go-to for most automotive and equipment bearings. For general UK climates, Grade 2 is a safe bet. If you’re working in steady cold below 20°F, a softer grade may help with pumpability.

Picking Grease for Bearings, Chassis, and Farm Equipment

For wheel bearings and high-speed parts, look for a quality multi-purpose or high-temp grease with a strong drop point—think 350°F or higher. For chassis and suspension joints, a tacky, water-resistant formula works well. Heavy equipment often benefits from moly-fortified grease for extreme pressure protection. If your gear lives outdoors or near salt, prioritize water washout resistance and corrosion inhibitors.

Accessories That Make Greasing Easier

A few smart add-ons can cut your greasing time in half. A locking coupler prevents leaks and keeps both hands free. Flexible hoses around 24–48 in reach deep or awkward zerks. Needle tips feed tight or recessed fittings. Right-angle adapters handle cramped spaces. Keep a zerk fitting kit, a clean rag, and caps to protect couplers—small touches that keep the mess down and the work moving.

Locking Couplers and Right-Angle Adapters

Locking couplers clamp onto the fitting so you can focus on pumping, not holding. They reduce leaks and misalignment, which means less cleanup and more consistent lubrication. Right-angle adapters are your shortcut for suspension arms, mower spindles, and tight engine bays where a straight coupler just won’t fit.

Flexible Hoses vs Rigid Extensions

Flexible hoses shine when fittings are tucked behind guards or under frames. Rigid extensions feel steadier and line up perfectly with accessible zerks. Many users keep both: a 12–18 in rigid for routine jobs and a 36–48 in flex hose for anything stubborn or awkward.

How to Use a Grease Gun Like a Pro

Start by loading a 14 oz cartridge (or 3 oz for minis), then thread the barrel and crack the bleed valve to push out air. Wipe the zerk clean so you’re not forcing grit inside. Lock on the coupler, then pump slowly—typically 1–3 strokes for small joints, more for large bearings. Watch for fresh grease purging from seals; that’s your cue to stop. Wipe excess, cap the zerk if it’s exposed, and move on.

Priming and Bleeding Air

Air pockets cause sputtering and starvation. After loading, pull the follower rod back, crack the bleeder, and pump until steady grease appears—then retighten. If your gun won’t prime, try loosening the head slightly and pumping to let trapped air escape. Keep strokes steady rather than rapid-fire; you’ll build consistent pressure faster.

Greasing Intervals and Quantities

There’s no one-size-fits-all schedule. As a rule of thumb: lawn mower spindles every 25 hours, trailer bearings per season or trip length, suspension points at every oil change, and heavy equipment based on manufacturer intervals. Quantity-wise, less is often more—over-greasing can blow seals. A couple of pumps per small joint is plenty unless you see old grease push out.

Maintenance and Troubleshooting

Keep your grease gun clean, capped, and stored upright in a cool, dry spot. Wipe couplers after use, and don’t leave hoses pressurized. If you spot leaks at threads, check O-rings and retighten. Replace worn hoses and couplers promptly—they’re inexpensive and critical for safety. Label your gun with the grease type so you never mix incompatible formulas.

When Your Grease Gun Won’t Prime

First, verify the cartridge seal is fully punctured. Crack the bleeder or loosen the head slightly and pump slowly to purge air. If the follower spring is sticky, cycle it a few times. Cold grease can be stubborn; warm the cartridge to room temperature for easier flow. Still stuck? Inspect seals and the check valve for debris.

Dealing With Stuck Couplers and Leaky Fittings

For a coupler that won’t release, briefly relieve line pressure by cracking the hose connection, then wiggle the coupler off. If fittings leak or won’t take grease, try a needle adapter, clean the zerk, or replace it. Persistent backflow may mean the bearing is full, the seal is compromised, or the fitting is damaged.

Price Ranges and Where to Find Deals

Good news: you don’t have to overspend. Manual lever and pistol-grip guns typically run around £15–£40. Pneumatic models often land between £30–£80. Cordless units vary widely with voltage and features, usually from about £120 to £300. Accessories like locking couplers, hoses, and adapters range roughly £8–£30. Comparison platforms—such as ZoneOffer, which aggregates popular offers and price lists—make it easy to spot discounts and bundles across multiple retailers.

Budget vs Midrange vs Pro Picks

On a tight budget? A basic pistol-grip gun with a 14 oz capacity and a 12–18 in hose will cover most home and car jobs. Midrange buyers should add a locking coupler and a 24–36 in hose for easier access. Pros and frequent users ought to consider an 18V cordless with a 36–48 in hose, shoulder strap, and variable speed trigger—it pays for itself in saved time.

Reading Price Lists the Smart Way

Don’t just scan the headline price. Weigh hose length, included couplers, spare seals, and case or strap against comparable models. Watch for bundles that include a locking coupler and an extra hose; those add real value. Also note max pressure and flow claims—higher numbers look great, but control and ergonomics matter more in daily use.

Top Brands and Models to Put on Your Shortlist

For manual guns, look for established tool brands known for solid seals and consistent output. In the UK, popular choices often include dependable lever and pistol-grip models with standard 14 oz cartridges. For cordless, 18V units from major power-tool ecosystems are widely praised for pressure, battery life, and hose length. If you already own compatible batteries, that can tilt the decision. Air users should pick models with sturdy triggers and 18–36 in hoses for shop efficiency.

Best for Home Garages

A pistol-grip gun with a 14 oz cartridge, 12–18 in flexible hose, and a locking coupler is the home hero. You’ll handle car suspension points, mower spindles, and trailer parts without fighting the tool. Add a right-angle adapter and you’re set for tight brake and steering components.

Best for Farms and Heavy Equipment

An 18V cordless grease gun with up to 10,000 psi, a 36–48 in hose, and a shoulder strap makes long days of greasing loaders, excavators, and tractors significantly easier. The variable-flow trigger helps you switch from precision to volume, and the long hose reaches awkward zerks tucked behind guards and hydraulic lines.

Best Budget Mini Grease Gun

For quick top-ups and glove-box emergencies, a 3 oz mini grease gun with a needle adapter is hard to beat. It won’t replace a full-size gun for heavy maintenance, but it’s perfect for bicycles, small garden tools, and the occasional squeaky hinge or bushing.

Safety Tips You Shouldn’t Skip

High pressure (often thousands of psi) can inject grease under the skin—treat it seriously. Wear gloves and eye protection. Keep fingers behind the coupler jaws while pumping. Don’t lean over a pressurized hose. If a fitting won’t take grease, stop and diagnose; forcing it can blow a seal or the hose. If injection occurs, seek medical help immediately—do not wait.

Conclusion

Choosing the right grease gun is about matching power, control, and convenience to the jobs you actually do. Manual lever and pistol-grip models are affordable, reliable, and precise. Pneumatic options accelerate shop work. Cordless guns deliver the fastest, easiest results—especially for heavy equipment. Compare pressure, hose length, couplers, and capacity, then add smart accessories to reach every fitting cleanly. With a sensible setup and a steady routine, your gear runs quieter, lasts longer, and stays ready for whatever’s next.