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EXT 1/4 MALE HEX DRIVE 3/8 MALE - Apex Tool Group

Part #: APEX-370-12

The Apex Tool Group APEX-370-12 is a professional-grade drive adapter and extension designed to enhance versatility and efficiency in demanding automotive and industrial environments. This robust tool allows technicians to seamlessly convert a 1/4-inch male hex drive input to a 3/8-inch male square drive output, extending the reach and utility of existing power tools for various fastening applications.

Key Features

  • Durable, Professional-Grade Construction: Manufactured with proprietary steel and a specialized heat treatment process, ensuring superior strength, extended tool life, and consistent performance under heavy use.
  • Precision Machined: Engineered with tight tolerances for a precise fit to fasteners, which helps reduce cam-out, premature bit wear, and fastener damage, ultimately leading to better torque transfer.
  • Drive Conversion: Transforms a 1/4-inch male hex drive into a 3/8-inch male square drive, expanding the range of compatible sockets and accessories for hex-drive tools.
  • Enhanced Reach: Functions as an extension, providing the necessary length to access fasteners in confined or hard-to-reach areas.
  • Secure Fit: Designed for a repeatable and consistent fit, crucial for maintaining optimal torque transfer and preventing slippage during high-stress operations.

Applications

This versatile adapter is an essential component for professional technicians and mechanics across various sectors. It is commonly utilized for drive conversion and tool setup changes in assembly tooling, maintenance kits, and general repair work. Ideal for automotive repair tasks, it enables the use of 3/8-inch square drive sockets with 1/4-inch hex power drivers, facilitating access to engine bays, chassis components, and other tight spaces. In industrial settings, it is invaluable for maintaining machinery and equipment, allowing for efficient fastening and unfastening where a combination of drive types and extended reach is required.

Specifications

  • Manufacturer: Apex Tool Group
  • Model Number: APEX-370-12 (also referred to as EX-370-12)
  • Input Drive: 1/4" Male Hex
  • Output Drive: 3/8" Male Square
  • Overall Length: 12 inches (304.8mm)
Only 6 left in stock - order soon

$48.72

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This product was added to our catalog on Friday 10 July, 2026.

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