Apex 591x Hex Insert Bit Fastener Driver

Product Description

The APEX 591x is a hex insert bit designed to seat into standard bit holders, which then attach to a screwdriver, power driver, or other compatible driving tool. The straight-edge hex profile maximizes contact between the bit and the screw head drive, reducing slippage compared to ball-end hex bit designs. This geometry gives the installer precise control over driving depth, making the 591x well-suited for applications where overdriving or stripping fasteners is a common concern. Hex insert bits of this type are a standard consumable across residential construction, cabinetry, and light assembly work.

The APEX 591x is intended for driving fasteners into softwoods and lower-density materials where controlled, consistent drive depth is required. It is commonly used in finish carpentry, trim work, furniture assembly, and similar applications where the work surface is susceptible to damage from an overdriven fastener. The insert bit format allows quick swapping in bit holder systems, keeping job-site workflow efficient during repetitive fastening tasks.

Key Features

• Straight-edge hex profile maximizes screw head contact and reduces slippage versus ball-end hex bits
• Insert bit design fits standard bit holders for use with screwdrivers and compatible power driving tools
• Suited for softwood and low-density material applications requiring controlled drive depth
• Manufactured in the USA (subject to change)

Compatibility

Designed for use with standard hex insert bit holders compatible with screwdrivers and power driving tools. No specific model or system compatibility data was provided for this part.

Installation Notes

Insert the 591x into a compatible hex bit holder before attaching to the driving tool. Ensure the bit is fully seated in the holder before applying torque to prevent cam-out or bit ejection. Inspect the bit edges for wear or rounding before each use, as a worn hex bit increases the risk of fastener head damage. Bit replacement is a standard task requiring no special tools or trade licensing.

Technical Specifications

• Country of Origin: USA (subject to change)
• UNSPSC: 27112814

Standard Information

• Brand: APEX
• Manufacturer Part Number: 591x