Proto J49901/4ST Hand Hex Bit Socket 3/8 in Drive

Product Description

The PROTO J49901/4ST is a hand hex bit socket designed for use with 3/8 inch drive ratchets and extensions. It accepts a 1/4 inch hex bit and delivers a total overall length of 1-13/16 inches, with a 3/4 inch bit length that provides sufficient engagement depth for fastener-driving tasks. Built for professional hand-tool use, this socket is suited for technicians who need precise hex-drive capability in tight or standard access situations. The compact profile makes it a practical choice for service work across HVAC, electrical, plumbing, and general mechanical applications where hex fasteners are common.

This hex bit socket fits standard 3/8 inch drive tool sets and is appropriate for both residential and light commercial service environments. It is well-suited for installation and maintenance tasks involving hex-head fasteners on equipment panels, component mounting hardware, and similar applications. Technicians working in trade service environments will find this socket compatible with any 3/8 inch drive ratchet, breaker bar, or torque wrench in a standard tool kit.

Key Features

• 3/8 inch drive interface fits standard ratchets, extensions, and torque wrenches
• 1/4 inch hex bit size for common hex fastener applications
• 3/4 inch bit length provides reliable fastener engagement
• Compact 1-13/16 inch overall length suited for standard and moderate-access spaces
• Sold individually, quantity of one per package

Compatibility

Designed as a standard hex bit socket for use with any 3/8 inch square drive hand tool, including ratchets, extensions, and drive handles.

Installation Notes

This socket is installed by hand-tool technicians across trade disciplines. Ensure the drive tool is fully seated in the socket before applying torque to prevent slippage or fastener damage. Inspect the bit tip for wear before use, as a worn hex tip can strip fastener heads. No power shutdown is required for use of the hand tool itself, but always follow lockout/tagout procedures when servicing energized equipment.