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The APEX AM-04-3 is a power screwdriver bit with a 1/8-inch hex profile and a 3-inch overall length. It is designed for use with power screwdrivers and impact-rated drive tools that accept a 1/4-inch hex shank. The bit delivers torque to hex fasteners in production, assembly, and maintenance applications. The 3-inch length provides additional reach in confined or recessed work areas. This type of bit is installed and replaced by mechanics, electricians, HVAC technicians, and general maintenance trades as part of routine tool maintenance.
The AM-04-3 suits applications where a 1/8-inch hex drive is required with extended reach. Common uses include driving hex socket head fasteners on panels, equipment enclosures, and mechanical assemblies. The 1/4-inch hex shank is a standard interface compatible with most power screwdriver chucks and quick-change bit holders used in trade and light industrial settings. The single-piece packaging makes it suitable for individual replacement without purchasing a full set.
Designed as an OEM-style replacement bit for power screwdrivers and drive tools that accept a 1/4-inch hex shank with a 1/8-inch hex tip profile.
Insert the 1/4-inch hex shank into a compatible quick-change chuck or bit holder before use. Confirm the chuck is fully seated and locked before applying torque. Inspect the bit tip for wear or rounding before each use, as a damaged tip can strip fastener heads. This bit is intended for use with power tools rated for screwdriver bits — do not use in applications exceeding the bit's rated torque capacity.
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