Gearwrench 84763 Bolt Extractor Socket 12mm 3/8 Drive

Product Description

The GEARWRENCH 84763 is a bolt extractor socket designed to remove damaged, rounded, or corroded fasteners that standard sockets can no longer grip. Built for 12 mm fasteners, it accepts a 3/8 inch drive ratchet and measures 1.377 inches in overall length. The reverse-spiral or gripping-flute geometry bites into the fastener surface as torque is applied, giving the technician a mechanical advantage against seized hardware. This type of socket is a standard tool in automotive repair, fleet maintenance, and general mechanical service work where stripped fastener removal is a routine task.

The 84763 is suited for professional technicians working on passenger vehicles, light trucks, and equipment where 12 mm fasteners are common. The 3/8 inch drive interface matches the most widely used mid-range ratchet and breaker bar size in shop environments, making it easy to integrate into an existing drive set. It is a single-piece socket sold individually, appropriate for targeted additions to an extractor set or as a replacement for a worn socket.

Key Features

• Removes 12 mm damaged, rounded, or seized fasteners
• 3/8 inch drive compatible with standard ratchets and breaker bars
• Compact overall length of 1.377 inches for work in tighter access areas
• Single-unit packaging for targeted tool purchases
• Gripping geometry engages the fastener under applied torque

Compatibility

Designed for use with 3/8 inch drive ratchets and breaker bars. Intended for 12 mm screw and bolt heads.

Installation Notes

This socket is installed by a mechanic or technician using a standard 3/8 inch drive ratchet or breaker bar. Before use, ensure the fastener head and socket are free of grease or debris that could reduce grip. Apply steady, controlled torque rather than impact force unless the socket is rated for impact use. Always wear appropriate eye protection when working with extraction tools on seized fasteners, as sudden release can occur.