Electro Hardware P577M03F21-632 Hex Standoff 6-32

Product Description

The ELECTRO HARDWARE P577M03F21-632 is a female hex circuit board standoff designed to create precise spacing between printed circuit boards and mounting surfaces or between stacked boards. Threaded 6-32 on the internal thread, this standoff measures 1.25 inches overall length with a 0.25-inch width across the hex flats. The body is machined from brass and finished with clear zinc chromate plating per ASTM B633 Type 1 and QQ-B-626 Comp 22, providing corrosion resistance in electronic enclosure environments. It is installed by electronics assembly technicians and field service pros working on control boards in HVAC units, electrical panels, and industrial equipment.

This standoff is suited for residential and light commercial applications wherever a 6-32 threaded female hex spacer is required. Common install scenarios include mounting control boards inside furnace and air handler cabinets, securing PCBs in electrical enclosures, and stacking boards at fixed heights in automation assemblies. The hex body allows standard wrenching for consistent torque without slipping. Its compact 0.25-inch flat-to-flat dimension fits in tight board layouts where space between components is limited.

Key Features

• Female 6-32 internal thread for standard machine screw compatibility
• 1.25-inch overall length provides reliable board-to-surface standoff height
• Hex body shape allows wrench engagement for secure, consistent installation
• Brass base material with clear zinc chromate finish per ASTM B633 Type 1
• Meets QQ-B-626 Comp 22 federal specification for brass hardware
• Sold individually, minimum order quantity of 1

Compatibility

Designed as an OEM-style replacement or new-installation standoff for any circuit board assembly requiring a 6-32 female hex brass standoff with a 1.25-inch overall length.

Installation Notes

Installed by electronics technicians or field service professionals working inside de-energized equipment. Always disconnect power to the control board assembly before removing or installing standoffs. Use an appropriately sized wrench on the hex flats to seat the standoff without overtightening, which can crack PCB mounting holes. Follow applicable electrical enclosure standards and equipment manufacturer guidelines when replacing control board hardware.