£7.19 Exc. VAT £5.99 Price per unit £17.98/L
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Product Details

Fast acting solution that quickly penetrates hard to reach areas whilst loosening seized fixings, stuck or rusted moving parts. Highly water resistant. Includes smart straw feature.




WD-40 Specialist Penetrant specifically targets corroded or rusted components and mechanisms. Its formula loosens stuck or seized parts quickly and easily. The penetrant has an extremely low surface tension, meaning it can cut through rust, seams and tightly bonded threads to easily saturate and lubricate seized fixings. The Smart Straw and 360° valve allow it to be used precisely at all angles, and the capillary action of the formula means it can reach tight and hard to reach spaces. Highly water resistant, Fast Release Penetrant can also displace moisture that may be disrupting smooth movement and can be used as a preventative to prohibit the buildup of rust and corrosion in the future. Use in temperatures ranging from -20°C to +90°C, on materials such as metal, rubber, plastics, alloys and most paints.

Technical Specification
Brand WD-40
Unavailable offshore
Manufacture ID 44362
Safety Data Sheet click here
Video click here
Type Specialist
Volume (ml) 400
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 5pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • We have temporarily suspended our Pre-12 delivery service
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • If your order contains more than one item it may be split into two deliveries as we manage volume across our network
  • Due to carrier constraints it is not currently possible to deliver age restricted items. Please use our Click & Collect service for these products
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-5pm Mon-Sat and 9am-4pm Sun
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 7pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
WD-40 Specialist Fast Release Penetrant 400ml is rated 5.0 out of 5 by 11.
Rated 5 out of 5 by from Wd40 Does what is says on the can
Date published: 2020-05-27
Rated 5 out of 5 by from Works great Really good quality spray worth the cash
Date published: 2020-04-30
Rated 5 out of 5 by from Great.A must have for the toolsbox Works very well reliable product
Date published: 2020-04-22
Rated 5 out of 5 by from Easy to use This product made some very old bolts much easier to move. Easy to use and good value for money.
Date published: 2020-04-16
Rated 5 out of 5 by from Does what it says on the can Really does the job - we had several stuck bolts and a bake caliper to free up. Without this, I'd still be there cursing!
Date published: 2019-11-13
Rated 5 out of 5 by from Not much good for cooking with Not much good for cooking with but great for releasing stuck bolts and screwed threads. Seem to be a little flammable under the blow torch too!
Date published: 2019-09-13
Rated 5 out of 5 by from Excellent! Excellent! Used it to get some very rusty bolts off my car. Sprayed it left it for 5 mins and they came off with ease. Definately reccomend this
Date published: 2019-08-07
Rated 5 out of 5 by from It works! I was struggling with standard WD40 to free some very rusty nuts. Applied this and got them free in a couple of days.
Date published: 2019-03-11
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