Apex 493X Phillips 3 Power Screwdriver Bit 1/4 Hex Drive

Product Description

The APEX 493X is a Phillips No. 3 power screwdriver bit designed for use in high-torque power tools and pneumatic drivers. It accepts a standard 1/4 inch hex drive and measures 1-15/16 inches in overall length, making it suited for production, assembly, and service environments where consistent drive engagement matters. The body diameter measures 0.31 inches (7.90 mm). This bit is sold as a single piece and is a standard stock item for tool cribs, service vans, and field kits used by electricians, HVAC technicians, plumbers, and general trade professionals.

The 493X fits any 1/4 inch hex quick-change chuck, including inline and pistol-grip power screwdrivers, impact drivers, and drill-drivers. The Phillips No. 3 point is sized for larger fasteners commonly found in electrical panels, equipment enclosures, ductwork flanges, and mechanical assemblies. Its compact overall length suits both open-area driving and moderately restricted access points. This bit is appropriate for both residential and light commercial trade work.

Key Features

• Phillips No. 3 point size for large-fastener drive applications
• 1/4 inch hex drive fits standard quick-change chucks
• 1-15/16 inch overall length for balanced reach and control
• Body diameter of 0.31 inches (7.90 mm) for stable seating in the chuck
• Single-piece unit sold individually for targeted replacement or kit stocking

Compatibility

Designed for use with any power screwdriver, drill-driver, or impact driver equipped with a 1/4 inch hex quick-change drive. Compatible with Phillips No. 3 fasteners in standard trade and industrial applications.

Installation Notes

Insert the bit fully into the 1/4 inch hex chuck and confirm it is seated and locked before driving. Ensure the driver torque setting is appropriate for the fastener and base material to avoid cam-out or fastener damage. Inspect the bit tip for wear before use, as a worn Phillips tip increases the risk of cam-out and fastener head damage. No special tools or code compliance steps apply to bit installation itself.