Bit-Holder 1/2"FM SQ DR SE 5/16" Hex - Apex Tool Group

The Apex Tool Group Model 855 Bit-Holder is a professional-grade adapter engineered for precise and reliable driving of 5/16" hex bits. Designed for seamless integration with 1/2-inch square drive tools, this bit-holder ensures secure bit retention and efficient power transfer, making it an indispensable tool for demanding automotive, industrial, and assembly applications.

Key Features

• 1/2" Female Square Drive: This bit-holder is compatible with standard 1/2-inch square drive ratchets, extension bars, and other drive tools, offering versatile application across various fastening tasks.
• 5/16" Hex Bit Retention: Engineered to securely hold 5/16" hex shank insert bits, it minimizes slippage and enhances operator control during fastening operations.
• Professional-Grade Construction: Manufactured by Apex Tool Group using a proprietary steel and heat treat process, this bit-holder delivers superior strength and extended tool life, standing up to rigorous workshop conditions.
• Optimized Torque Transfer: Precision machining ensures tighter tolerances and a consistent fit to fasteners, maximizing the torque delivery from your drive tool to the bit for efficient work.
• Standard Duty Performance: Designed specifically for standard fastening applications, this bit-holder is not rated for use with impact tools.

Applications

This Apex bit-holder is an essential component for professional technicians in automotive workshops, performing tasks such as engine service, transmission work, and chassis maintenance involving 5/16" hex fasteners. Its robust construction also makes it ideal for industrial assembly lines, general manufacturing, and heavy industry maintenance where dependable and precise bit driving is crucial. It is recognized as a quality tooling product within the aviation industry.

Specifications

• Manufacturer: Apex Tool Group
• Model Number: 855
• Drive Size: 1/2" Female Square
• Bit Size: 5/16" Hex
• Overall Length: 1-3/4" (45mm)