Electro Hardware P561M12F21-1032 Hex Standoff 10-32 1in

Product Description

The ELECTRO HARDWARE P561M12F21-1032 is a female hex circuit board standoff designed to create measured spacing between PCBs and mounting surfaces or between stacked boards. Machined from Grade 2 steel with a zinc-plated clear chromate finish, this standoff meets ASTM B633 Type 1 and QQ-S-633 surface finish standards for corrosion resistance. It features a 10-32 female thread, a 1 inch overall length, and a 1/4 inch hex body width across flats. Electronics assemblers, panel builders, and control system technicians use this fastener when building or servicing circuit board assemblies in industrial, commercial, and residential electrical enclosures.

This standoff is suited for through-hole PCB mounting applications where a threaded female receptacle is needed on both ends to accept a machine screw or a male-threaded standoff. The hex body profile allows secure tightening with a standard wrench or nut driver without marring the standoff body. Typical use cases include control panel assembly, DIN rail enclosure builds, and structured PCB stacking in HVAC control boards, relay panels, and power distribution assemblies. It is sold and priced individually.

Key Features

• Female 10-32 thread accepts standard machine screws for secure board-to-board or board-to-chassis mounting
• 1 inch overall length provides consistent, repeatable standoff spacing
• 1/4 inch hex body width across flats enables wrench or nut driver installation for reliable torque control
• Grade 2 steel construction delivers solid mechanical strength for fastener-grade applications
• Zinc-plated clear chromate finish meets ASTM B633 Type 1 and QQ-S-633 standards for corrosion protection
• Length tolerance held to plus or minus 0.005 inches for dimensional consistency in stacked assemblies

Compatibility

Designed as an OEM-style replacement or new-installation hex standoff for circuit board assemblies requiring a 10-32 female threaded, 1 inch hex standoff in steel construction.

Installation Notes

Installation is typically performed by electronics assemblers, panel builders, or licensed electricians during control board assembly or enclosure fabrication. Power down and de-energize the assembly before installing or removing standoffs from live control panels. Use a wrench or nut driver sized to 1/4 inch across flats to seat the standoff without over-stressing the PCB substrate. Follow applicable NEC guidelines when installing standoffs inside electrical enclosures.