Accessory Reviews

Gearwrench Bolt Biter Extraction Sockets – Stop Cursing and Start Turning


Gearwrench Bolt Biter Extraction Sockets Take a Turn for the Best

Rounded out and rusted bolts can frustrate anyone, even those folks that already have a set of old-school extraction sockets. But with Gearwrench Bolt Biter extraction sockets, you can kiss the hassle of stubborn fasteners goodbye. These Bolt Biters have a unique design that is redefining the extraction game by not only allowing you to unfasten rounded out bolts but let you refasten them also.

10-Second Summary

  • Tapered design fits over various levels of damage along with metric and SAE sizes with one socket
  • Enable you to loosen and fasten
  • Minus sizes available
  • Impact-rated design
  • Hi-vis laser-etched markings
  • Lifetime warranty

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Let’s Talk Design

The Gearwrench Bolt Biter’s claim to fame is that it can remove any rusted or rounded out fastener. Rather than cutting into the fastener, the Bolt Biter grips them up with a tapered flute design.

Gearwrench Bolt Biter Extraction Sockets - Stop Cursing and Start Turning

Let’s unpack that a bit. These extraction sockets will last up to 10 times longer than your current set of sockets when used with an impact gun. Gearwrench uses a durable chrome and molybdenum body (ChroMoly) that’s been finished with corrosion-resistant black oxide, and the Bolt Biters are impact ready.

In fact, Gearwrench feels so confident in the durability of their design that the Bolt Biters come with a lifetime warranty.

The Bolt Biter design allows bi-directional movement. That means you can refasten those beat-up fasteners if you’re in a pinch and don’t have a replacement on hand.

As an extractor designed for severe damage, Gearwrench comes in both standard and minus-sized sockets. Minus-sized simply means the actual diameter is a little smaller than what the markings read so they can fit over heads that are no longer their original size.

Gearwrench Bolt Biter Extraction Sockets - Stop Cursing and Start Turning

The Gearwrench Bolt Biter socket seats easily onto a damaged fastener thanks to its tapered design. It gets a little smaller the deeper in you go. This allows each size to work with both a metric and SAE size as well as handle multiple levels of head damage.

After you’ve removed that pesky fastener, it won’t stay jammed into the socket like it will with extractors that cut into the sides.

Other Features

The impact-ready Gearwrench Bolt Biter extractors feature a square drive shaft (1/4″ and 3/8″) with a hexagonal base. You can use these sockets with impact wrenches/drivers, ratchets, wrenches, and pliers.

Gearwrench Bolt Biter Extraction Sockets - Stop Cursing and Start Turning

They also have a high-vis laser etching in the side for quick size identification with both the SAE and corresponding metric measurement.

Proof Testing

We tried the Bolt Biter on a couple of severely rounded off bolts that originally worked with a 19mm socket. The bolt heads were so rounded that I could turn a 19mm socket by hand on either one them, though one was worse than the other.

On the more severe of the two, the minus-size 19mm Bolt Biter fit right over the top and flush to the surface. It had no problem biting in and turning the bolt in both directions. On the bolt with a little less damage, the tapered edge didn’t fit all the way quite as nicely, and the standard 19mm was a better fit for the job.

Gearwrench Bolt Biter Extraction Sockets - Stop Cursing and Start Turning

With this kind of design, it’s not hard to imagine that you might see some slippage. But there’s simply none there. Each of the teeth bit into the socket and just wouldn’t let go even with as much torque as I could muster on my ratchet.

Color me impressed.

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Price

You can order individual GearWrench Bolt Biter extractors or get them in multiple set configurations. The sets run in the $50 (8-piece) to $185 (28-piece) range and individual sockets are roughly $18–$30.

Gearwrench Bolt Biter Extraction Socket Sets

  • 8 Piece Bolt Biter Kit
    • Catalogue Number: 84782
    • Set Included Storage: Socket Rail
    • Contents: 7mm 8mm [5/16 in] 10mm 11mm [7/16 in] 12mm 13mm 14mm [9/16 in] 16mm [5/8 in]
    • Drive Tang Size: 1/4″ & 3/8″
    • Length Format: Standard
    • Finish: Black Oxide
    • Price: $45
  • 15 Piece Bolt Biter Kit
    • Catalogue Number: 84783
    • Set Included Storage: Blow Mold Case
    • Contents: 1/4 in 7mm 8mm [5/16 in] 3/8 in 10mm 11mm [7/16 in] 12mm 13- mm [1/2 in] 13mm 14mm [9/16- in] 9/16 in 16mm [5/8 in] 17mm 11/16 in 19mm [3/4 in]
    • Drive Tang Size: 1/4″ & 3/8″
    • Length Format: Standard
    • Finish: Black Oxide
    • Price: $99.29
  • 28 Piece Bolt Biter Kit
    • Catalogue Number: 84784
    • Set Included Storage: Socket Rail
    • Contents: 1/4- in 1/4 in 7- mm 7mm 8- mm [5/16- in] 8mm [5/16 in] 3/8- in 3/8 in 10- mm 10mm 11- mm 11mm 12- mm 12mm 1/2- in 13- mm [1/2 in] 13mm 14- mm 14mm [9/16- in] 9/16 in 16- mm [5/8- in] 16mm [5/8 in] 17- mm 17mm 11/16- in 11/16 in
    • Drive Tang Size: 1/4″ & 3/8″
    • Length Format: Standard
    • Finish: Black Oxide
    • Price: $183.35

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