
Rounded bolts suck but the Gearwrench Bolt Biter Extraction Socket might be the ultimate solution to those damaged fasteners.
When I saw these Gearwrench Bolt Biter extraction sockets at SEMA 2018, I was interested in what really made them different. Extraction sockets aren’t anything new and have been around for longer than you or I have been alive. They all solve a common issue: remove a rounded bolt.

The Problem the Bolt Biter Extraction Socket Solves
There is an issue with most extractors, though. When you use them, the fastener is no longer usable. This is because the head of the bolt is typically damaged further in the extraction process. That’s what makes these Gearwrench Bolt Biters different. You can still reuse the fastener after removing it.
How It Solves It
The use of tapered flutes bites into the fastener head without the need to force it on. It’s like using a regular socket, you slip it over the bolt or nut that’s been rounded off and remove like normal. It’s not directional, either, so you can use it on left- and right-handed threads and even reuse them because it doesn’t damage the head. That is the beauty of this extractor: you can reuse the fastener you just removed with it and the fastener comes out of the Bolt Biter like a normal socket.
It’s made of chrome molybdenum metal so it’s impact friendly and won’t break off when you need to use power on it. The fastener might if you go too many uga-dugas on it, but the Bolt Biter won’t break.
The square drive end – with sets made for 1/4-inch and 3/8-inch drives – also have a hexagonal base so you can grab it with an open-end/boxed-end wrench, another socket, or pliers if you’re really desperate or want to use pliers on all of your sockets for some odd reason. For corrosion resistance, it has a black-oxide finish with laser-etched marks that make sure you’re able to read it and even feel out a socket size. Sets feature sockets with sizes that work with both SAE and metric in one but also minus sizes for severely rounded fasteners.

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