Electro Hardware P529M03F21-1032 Hex Standoff 10-32

Product Description

The ELECTRO HARDWARE P529M03F21-1032 is a female hex circuit board standoff designed to create precise spacing between PCBs, mounting panels, and enclosure surfaces. Machined from brass with a zinc-plated clear chromate finish, this standoff provides corrosion resistance and reliable electrical isolation in panel-mount and rack-mount assemblies. The hex body measures 0.25 inches across flats, and the overall length is 0.5 inches. The female 10-32 threaded design accepts a standard 10-32 male fastener at the open end, allowing boards to be stacked or secured in position. It meets ASTM B633 Type 1 and QQ-B-626 Comp 22 finish standards. Electricians, electronics technicians, and panel builders use these standoffs in control panel assembly, circuit board mounting, and equipment enclosure work.

This standoff is suited for light commercial and industrial control panel applications where consistent board-to-surface spacing is required. It is commonly used in HVAC control boards, electrical enclosures, and instrumentation panels. The compact 0.5-inch overall length makes it appropriate for low-profile assemblies where clearance between the board and the mounting surface is limited. Its brass construction and zinc-plated finish make it a reliable choice in environments with moderate humidity or chemical exposure.

Key Features

• Female 10-32 threaded hex standoff for PCB and panel mounting applications
• Brass construction with zinc-plated clear chromate finish for corrosion resistance
• 0.5 inches overall length with a length tolerance of -0.005 to 0.005 inches
• 0.25 inches width across flats for standard hex driver fitment
• Meets ASTM B633 Type 1 and QQ-B-626 Comp 22 finish standards
• Hex body shape allows positive torque with standard hex tools

Compatibility

Designed as an OEM-style replacement or new-installation standoff for any assembly requiring a female 10-32 hex standoff with a 0.5-inch overall length in inch-system fastener applications.

Installation Notes

Install and remove using a hex driver or open-end wrench sized to the 0.25-inch across-flats hex body. Always power down and de-energize the control panel or circuit board assembly before installing or removing standoffs. Avoid over-torquing, which can crack or deform the brass body or strip the 10-32 threads. Panel builders should follow applicable NEC guidelines for enclosure assembly and hardware torque practices.