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Product Details

Unique design that securely grips and removes stubborn nuts and bolts. Reverse spiral flutes bite down for maximum gripping power. High quality carbon steel ensures longer life and greater durability.
3/8” square drive for use with hand ratchets, impact wrenches and air ratchets; hexagonal flats for use with wrenches, pliers, sockets or VISE-GRIP locking pliers.
81815 sizes 10mm to 16mm (3/8” to 5/8”).
63045 sizes 8mm to 19mm (5/16” to 3/4”).

Technical Specification
Brand Irwin
Manufacture ID 10504635
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£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
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 8pm Mon-Sat (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.
Irwin Bolt Grip Nut Remover Set Expansion Set is rated 4.3 out of 5 by 43.
Rated 4 out of 5 by from Caliper bolt removed Bought base set to remove damaged T50 Caliper carrier bolt from rear Peugeot brakes. The 16mm (largest) fitted a treat (was worried they would all be too small). Hammered (gently) the Irwin socket onto the bolt and managed to extract a heavily over thread locked bolt with a breaker bar. Zero damage to Irwin socket, but need to replace Caliper bolts. Would have given 5 star, but as these are 3/8 sized I had to buy an adapter to fit my (and most other I suspect) breaker bar.
Date published: 2019-09-15
Rated 1 out of 5 by from not up to the Job i bought this after reading the good reviews to have the 16mm one shatter very disappointed.
Date published: 2019-09-04
Rated 1 out of 5 by from Useless Purchased this today to get a seized bolt out of my lawnmower. Only needed the 10mm but not sold individually. Despite the hype the system cite failed to get any grip whatsoever on the head that was only slightly rounded off. Cut it off with a Dremel and will recap the hole.
Date published: 2019-08-28
Rated 3 out of 5 by from Good tool shame about drive size These were really useful in removing stuck wheel nut, but would be better if were 1/2" drive rather than 3/8"
Date published: 2019-07-19
Rated 5 out of 5 by from Does what it says on the tin Bought this to undo 5 severely rusted and rounded bolts on my boat drive. Worked perfectly very please with the performance of this product.
Date published: 2019-07-10
Rated 5 out of 5 by from Cracked the nut Really stubborn wheel but broke a socket and rounded off. This made light work of it,
Date published: 2019-07-06
Rated 4 out of 5 by from Good on corroded bolts. I had a couple of 16mm calliper carrier bolts that were disintegrating rather than turning. They were quite rounded after having a good go with normal and impact sockets. The 16mm one of these got them off no problem. I will add the bolts were not rediculous tight, just badly corroded, so I cannot comment on their ability there. Yet.
Date published: 2019-05-28
Rated 5 out of 5 by from They work Very straight forward and easy to use. Used one on an engine sump plug that an ape had fitted, I thought that I was going to have to change the sump but just fitted the tool and it locked on to the plug and all was good again
Date published: 2019-05-19
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