Retail packaging of the GearWrench 30-piece Bolt Biter extraction insert set, featuring descriptive icons that highlight its 70 percent thinner profile and ability to remove rusted or rounded fasteners.
Top-down view of the open GearWrench 86193 Bolt Biter set, displaying 30 assorted SAE and metric extraction inserts neatly organized in a high-visibility orange foam tray within a black and clear protective case.
An angled perspective of the open GearWrench Bolt Biter wrench insert set, showcasing the slim profile of the chrome molybdenum extraction tools designed for removing rounded and frozen fasteners in tight spaces.
The GearWrench 86193 set in its closed, compact storage case, featuring a clear lid with the GearWrench logo and a secure orange latch for easy transport and jobsite organization.
A comprehensive lineup of all 30 GearWrench Bolt Biter inserts, illustrating the wide range of SAE and metric sizes and the tapered entry design that enables easy seating on damaged bolts.
Close-up view of a single GearWrench Bolt Biter wrench insert, highlighting the 19mm and 3/4 inch dual-size laser markings and the specialized internal gripping teeth for bi-directional extraction.
Rear view of a Bolt Biter insert, showing the high-strength magnetic retention disc that keeps the extraction tool securely seated inside a standard wrench during high-torque applications.
Action shot demonstrating a GearWrench Bolt Biter insert being used with a ratcheting wrench to remove a heavily rusted and damaged bolt from a vehicle's suspension component.
The GearWrench 86193 set displayed in a rugged industrial environment alongside other professional tools, emphasizing its durability and effectiveness for heavy-duty maintenance and repair.
Retail packaging of the GearWrench 30-piece Bolt Biter extraction insert set, featuring descriptive icons that highlight its 70 percent thinner profile and ability to remove rusted or rounded fasteners.
Top-down view of the open GearWrench 86193 Bolt Biter set, displaying 30 assorted SAE and metric extraction inserts neatly organized in a high-visibility orange foam tray within a black and clear protective case.
An angled perspective of the open GearWrench Bolt Biter wrench insert set, showcasing the slim profile of the chrome molybdenum extraction tools designed for removing rounded and frozen fasteners in tight spaces.
The GearWrench 86193 set in its closed, compact storage case, featuring a clear lid with the GearWrench logo and a secure orange latch for easy transport and jobsite organization.
A comprehensive lineup of all 30 GearWrench Bolt Biter inserts, illustrating the wide range of SAE and metric sizes and the tapered entry design that enables easy seating on damaged bolts.
Close-up view of a single GearWrench Bolt Biter wrench insert, highlighting the 19mm and 3/4 inch dual-size laser markings and the specialized internal gripping teeth for bi-directional extraction.
Rear view of a Bolt Biter insert, showing the high-strength magnetic retention disc that keeps the extraction tool securely seated inside a standard wrench during high-torque applications.
Action shot demonstrating a GearWrench Bolt Biter insert being used with a ratcheting wrench to remove a heavily rusted and damaged bolt from a vehicle's suspension component.
The GearWrench 86193 set displayed in a rugged industrial environment alongside other professional tools, emphasizing its durability and effectiveness for heavy-duty maintenance and repair.
GEARWRENCH

GearWrench 86193 30 Piece Bolt Biter SAE Metric Wrench Insert Set for Damaged Fasteners Magnetic Retention Slim Profile Chrome Molybdenum Storage Case

In stock
SKU: 86193
$93.99
$149.00 Sale $93.99

Description

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Revolutionize Damage Recovery: GearWrench Bolt Biter Wrench Inserts for Frozen and Rounded Fasteners

The GearWrench 86193 30-Piece Bolt Biter SAE/Metric Wrench Insert Set is the ultimate professional solution for extracting the most stubborn, frozen, and rounded fasteners. These innovative inserts feature a revolutionary bi-directional gripping design that allows for both removing and tightening damaged bolts with equal efficiency. Unlike traditional extraction sockets that are often too bulky for modern engine bays, the Bolt Biter inserts are 70% thinner than standard extraction tools. This ultra-slim profile enables them to fit inside your existing ratcheting or open-end wrenches, providing a high-torque extraction solution in tight, confined spaces where other tools simply cannot reach.

Engineered for industrial-grade durability, each insert is manufactured from high-strength Chrome-Molybdenum (Cr-Mo) steel and finished with a Manganese Phosphate coating for superior corrosion resistance. The set utilizes a sophisticated magnetic retention system that ensures a secure, "locked-in" fit inside your wrench, while the tapered entry allows each insert to seat quickly and safely on damaged fastener heads. With a comprehensive range of dual-sized and "minus-size" inserts, this 30-piece kit covers a vast array of SAE and Metric fasteners, even those heavily reduced by rust or wear. Housed in a durable injection-molded case with high-visibility laser-etched markings, the GearWrench Bolt Biter set ensures you stay organized and productive on even the most frustrating repair jobs.

Key Features

  • Ultra-Slim Profile: 70% thinner than traditional extraction tools, allowing access to fasteners in incredibly tight spaces.
  • Bi-Directional Gripping: Patented design allows for the tightening or removal of damaged, rounded, or frozen fasteners.
  • Magnetic Retention System: Integrated magnets hold the inserts securely inside 6-point, 12-point, and spline wrenches.
  • Tapered Entry Design: Enables the insert to seat easily and safely onto the fastener without the need for hammering.
  • Minus-Size Increments: Specialized minus-sizes fit fasteners that have been reduced in size due to heavy rust or severe rounding.
  • Chrome-Molybdenum Construction: Forged from Cr-Mo steel for maximum strength and finished with Manganese Phosphate for durability.

What's Included

  • (30) Bolt Biter SAE and Metric Wrench Inserts (Range: 1/4" to 3/4" / 7mm to 19mm)
  • (1) Heavy-Duty Injection Molded Carrying Case

Specifications

Brand GearWrench
Model Number 86193
Piece Count 30 Pieces
Material Chrome-Molybdenum (Cr-Mo) Steel
Finish Manganese Phosphate
Size Range 1/4 in to 3/4 in (Metric: 7mm to 19mm)
Magnetic Retention Yes
Drive Compatibility 6-Point, 12-Point, Spline Wrenches
Product Weight 2.3 lbs.
Storage Injection Molded Case
Warranty Full Lifetime Warranty

Pro-Tip: For the most effective extraction, start with the standard size insert that matches the fastener. If the standard size slips due to extreme rounding, switch to the corresponding "minus-size" insert. Because these inserts are bi-directional, you can use them with a ratcheting wrench to rock a frozen fastener back and forth to break the surface tension and rust bond more efficiently.