Electro Hardware EKFS2-420 Broach Captive Nut 1/4-20

Product Description

The ELECTRO HARDWARE EKFS2-420 is a round-head broach captive nut with a 1/4-20 thread size, manufactured from 18-8 stainless steel with a passivated finish. Broach captive nuts are pressed or broached directly into sheet metal panels, creating a permanent, flush-mounted threaded anchor point without welding or secondary fasteners. The round head profile measures 0.437 inches in diameter and 0.235 inches in height, with a body diameter of 0.346 inches. A minimum panel thickness of 0.0599 inches is required for proper retention. These fasteners are installed by licensed technicians, fabricators, and maintenance professionals working with sheet metal enclosures, control panels, and structural assemblies.

Broach captive nuts are commonly used in light-gauge sheet metal applications found across HVAC equipment enclosures, electrical control panel assemblies, and industrial fabrication. The EKFS2-420 is well suited for situations where thread access is only available from one side of a panel. Installation requires a properly sized mounting hole of 0.328 inches and a press or broaching tool to seat the nut flush with the panel surface. This fastener ships in a 20-piece package, making it practical for service stock or small-quantity fabrication runs.

Key Features

• 1/4-20 thread size for broad compatibility with standard hardware
• Broach installation type - no welding required, installs permanently into sheet metal
• 18-8 stainless steel construction with passivated finish for corrosion resistance
• Round head profile: 0.437 inches diameter, 0.235 inches height
• Minimum panel thickness of 0.0599 inches ensures secure retention in light-gauge sheet metal
• Package quantity of 20 pieces per order

Compatibility

Designed for use in light-gauge sheet metal panels with a minimum thickness of 0.0599 inches and a mounting hole diameter of 0.328 inches. Suitable for HVAC enclosures, electrical control panels, and general sheet metal fabrication where a permanent captive threaded insert is required.

Installation Notes

Installation is performed by fabricators, sheet metal technicians, or maintenance professionals using a press or broaching tool sized to the 0.328-inch mounting hole. Always de-energize and isolate any electrical panel or equipment before installing hardware in live enclosures. Ensure panel material meets the 0.0599-inch minimum thickness requirement before pressing to avoid stripping or inadequate retention. Refer to applicable NEC or equipment manufacturer guidelines when installing fasteners inside electrical enclosures.