Which WD-40 is best for locks?

Author: Candice Ruecker  |  Last update: Monday, June 16, 2025

WD40 Specialist Silicone For Locks. WD-40 Specialist® Silicone Lubricant safely lubricates, waterproofs and protects metal and non-metal surfaces such as rubber, plastic and vinyl. This formula dries fast and leaves a clear, non-staining film that doesn't stick or make a mess, so it won't attract dirt.

What kind of WD-40 do you use for locks?

WD-40 Specialist Locks Lubricant

The WD-40 Specialist lubricant has been specially developed for the maintenance of all types of cylinders. With the help of its grease- and silicone-free formula, it penetrates by capillary into all the micro-mechanisms of the locks without clogging them.

What do locksmiths use to lubricate locks?

Powdered graphite is the traditional material for lubricating pin tumbler locks. You can even buy powdered graphite that comes in a little tube with a thin nozzle specially designed for squirting the graphite powder into the keyway.

What is WD40 specialist for locks?

The WD-40 specialist cylinder - spray was specially developed for the maintenance of all types of lock cylinders. The silicone and grease free formula and high capillary action allows the product to penetrate the cylinder mechanism and loosen blockages without gumming up.

Can you put WD-40 in a master lock?

PTFE is the recommended padlock lubricant. This is a dry synthetic lubricant that can be sprayed on all internal and external padlock components. The advantage of PTFE is that it will not attract dirt. Avoid using petroleum-based lubricants such as WD40 and other oils.

WD40 Specialist Silicone For Locks | Mr Locksmith

Is it OK to spray WD-40 in a lock?

So even though it's very tempting if you have a can of WD-40 handy (and let's face it, most of us have!) to just give your lock a quick squirt, please don't! The same applies with bicycle chains, you can clean them with GT-85, but using WD-40 will attract dirt over time.

What is the best lubricant for master lock?

For optimal performance, lubricate your lock with Master Lock's PTFE Lock Lubricant 2300D and 2311 which is ideal for use with all locks. Lubricate both the keyway and the shackle. Use also to lubricate internal components of rekeyable locks.

What should you not use WD-40 on?

7 places to never use WD-40 — you'll be surprised
  • Hinges. (Image credit: Shutterstock) ...
  • Bike chains. (Image credit: Shutterstock) ...
  • Locks. (Image credit: Shutterstock) ...
  • Polycarbonate and clear polystyrene plastic. ...
  • Sensitive electronics. ...
  • Wax polishes and some wax coatings. ...
  • Anything that comes into contact with food.

How to loosen a stiff lock?

To lubricate the lock Safestyle recommends using graphite powder, the fine particles mean less residue than oils or sprays which can also be sensitive to hot or cold conditions. Put a little amount of graphite powder inside the door lock to ease any friction inside, making sure not to put in too much.

Is graphite or WD-40 better for locks?

When choosing the best product to lubricate locks, dry lubricants like graphite powder and PTFE lubricants are best. As mentioned above, oil-based products can attract dust and dirt which can damage the delicate internal mechanism of your lock.

What is a good lubricant for locks?

Teflon-based dry lubricant is preferred by some locksmiths over other options, like graphite or WD-40. It's ideal because, besides lubricating your lock, it repels water and dust. That means that once you fix a lock with this type of lubricant, you can expect the lock to be in good shape for a long time.

Is silicone spray or WD-40 better for locks?

WD-40 silicone vs WD-40

It is silicon based. A lot of people use WD-40 just the basic one. It is a penetrating oil, It is not a lock lubricant. But for sticky locks or or a lock that's jammed up on you WD-40 is is a nice start because it's a penetrating oil but it does not lubricate your lock.

Can you use olive oil to lubricate a lock?

Don't use oil.

Oil might assist the moving parts of the motor in your car, but it is never a good idea to squirt it in a stiff lock. The oil will just combine with any grime already in the mechanism and compound the situation.

Why does my front door lock keep jamming?

Dirt and dust can sometimes find its way into a lock and build up over time. This can clog up the locking mechanism making it difficult to turn. You can apply some graphite spay or silicone based lubricant in the lock, put the key back in and turn it a few times.

Is silicone lubricant ok for locks?

WD-40 Specialist® Silicone

Once dried, this formula leaves a clear, non-staining film that doesn't stick or make a mess, so it won't attract dirt. This silicone lubricant spray is great for use on cables, pulleys, guide rails, valves, linkages, hinges, locks and more.

Is it okay to put WD-40 in a lock?

However, one task this hero product can't do is lubricate locks. If you rely on WD-40 to fix squeaky door hinges, it stands to reason that you could also use it to lubricate a sticky lock. But that's not the case. In fact, using WD-40 for this purpose could have a negative effect.

How to fix a lock that's hard to turn?

Fortunately, this is often an easy fix. Simply grab a can of WD-40, silicon-based lubricant, graphite spray, or a dry lubricant and spray it into the keyway.

How to free a seized lock?

Use powdered graphite, Teflon, or PTFE-based lubricants like WD-40 Dry Lube to clear away any gunk or debris stuck in the lock. Slide your key in and out of the lock to spread the lubricant around the lock.

What is the WD-40 trick?

Cut down on snow shoveling time with this neat trick: Spray the original WD-40 formula on both sides of your shovel before you start. Watch snow, ice and slush slide off the surface. No more stopping every few steps to dislodge built-up snow from your shovel.

What is better than WD-40?

In the experiments we found online, Liquid Wrench outperformed both WD-40 and PB Blaster and was, in turn, outperformed by a homemade concoction of automatic transmission fluid and acetone.

Should you wear a mask when using WD-40?

Always spray away from your face. Skin Protection: Avoid prolonged skin contact. Chemical resistant gloves recommended for operations where skin contact is likely. Respiratory Protection: None needed for normal use with adequate ventilation.

What lubricant do locksmiths use?

Tri-Flow Lubricant is a superior, light viscosity lube that allows for deep penetration into hard to reach moving parts. The aerosol spray uses high-grade petroleum oils that provide optimum lubrication under extreme temperatures (-60 to 475°F) and humidity. I use Tri-Flow after I rekey most domestic locks.

What can I spray on my lock to lubricate?

GT85 Lubricant is perfect for using and applying to Door Locks the GT 85 spray is a multi-purpose lubricant that helps keep your door and window hardware in good working order. GT85 lubricates and protects while also cleaning automobiles and motorcycles.

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