Most of the locking nuts we end up cutting off were made worse by a hammer. The trick that goes round is to drive a socket a size under onto the nut so it bites, then swing on it. On a plain nut that occasionally works. On a locking nut it usually does not, because the outer collar on most patterns is meant to spin free, so the socket grips a sleeve that turns and nothing else.
You are then left with a chewed socket beaten onto a chewed nut and the wheel still bolted to the car. It is still fixable. We use extraction sockets cut with a reverse spiral, turned with a bar and not a gun, so they bite harder the more the nut fights back. What we are really protecting is the stud, because a sheared stud stops being a tyre job and turns into a hub strip. Very few of these calls are emergencies. Usually it is an MOT retest, a seasonal change of tyres, or a spare that will not go on.
It is worth saying that this is not an unusual call. We come out with the extraction kits to Loves Farm, Eaton Ford or anywhere in between, get the nut off where the car is standing with the alloy protected, and then deal with the tyre itself. The B1428, the A1 and the streets around Loves Farm sit inside Cambridgeshire. Little End Road kerbs, Eynesbury drives, the parking on the A1: all fine for us. An Eaton Socon cul-de-sac or an Eaton Ford main road, tell us which.

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St Neots is spread out enough that a wheel you cannot get off strands the car exactly where it sits, whether that is a drive in Eaton Socon or a bay outside a unit on Little End Road. Because this is rarely urgent, it is easy to book: pick a time, leave the car alone, and the tools come to it. You settle up by card once the wheels are free.
A driver in Eaton Ford tried the undersized socket trick and could not get the socket back off afterwards. We cut into what was left of the nut, backed it out, and left him four plain nuts he can undo with the wheelbrace himself.
A garage had already given up on one corner, so the tyre could not be changed and the retest was sitting there in the diary. We went to the house on the Wednesday evening and had all four wheels free.
One in Loves Farm had been bought a fortnight earlier with a full history and no locking key in it at all. Nobody noticed until a tyre went down, which is how most of these start.
It comes off. The only question is which method, and the slow methods are the ones that leave the stud and the alloy intact. If a nut has been abused until nothing will grip it, we drill it out under control rather than let it shear.
That is what the care is for. The extraction socket sits on the nut, not on the wheel face, and we tape the rim edge where the tool has to pass close to it. Wheels with a deep recess around the nut are the fiddly ones and they take longer.
No. Plenty of people ask for four ordinary nuts and never give it another thought. If you want to stay locked, we can put a fresh set on and give you the key with its code number stamped on it.
Usually yes on the other three, but a car should not be running about on a wheel held by fewer studs than it was built for. We will tell you straight if that is where you are, because a snapped stud needs pressing out at a workshop.
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