Electro Hardware MP1041M09F16M3 Female Hex Standoff M3

Product Description

The ELECTRO HARDWARE MP1041M09F16M3 is a female hex circuit board standoff designed to create precise separation between PCBs, panels, or enclosure surfaces. Machined from 303 stainless steel with a plain, bright uncoated finish, this standoff meets the QQ-S-763 federal specification for stainless steel fasteners. The metric thread is M3 x 0.5, with a 21 mm overall length and a 6.4 mm thread depth. The hex body measures 6 mm across the flats, allowing standard wrenches or hex drivers to seat it securely without marring adjacent surfaces. Electronics assemblers, instrumentation technicians, and panel builders use this hardware wherever a reliable, corrosion-resistant PCB mounting solution is required.

This standoff is suited for use in electronic control panels, industrial enclosures, test equipment, and printed circuit board assemblies that require metric M3 threaded mounting hardware. The partially threaded female design accepts an M3 screw from above while threading into a mating fastener or tapped hole below, maintaining consistent board-to-surface spacing. Applications range from light industrial control boards to precision instrument enclosures where stainless steel is specified for corrosion resistance or cleanliness requirements.

Key Features

• Female hex body with M3 x 0.5 thread for standard metric PCB mounting
• 21 mm overall length with 6.4 mm thread depth for secure engagement
• 6 mm width across flats allows installation with common wrenches or hex drivers
• 303 stainless steel construction meets QQ-S-763 federal fastener specification
• Plain, bright uncoated finish — no coating to interfere with thread fit or grounding paths
• Length tolerance of -0.13 mm to 0.13 mm for consistent board standoff height

Compatibility

Designed for use with M3 x 0.5 metric fasteners in circuit board and panel mounting applications where a female hex standoff is specified.

Installation Notes

Install using a wrench or hex driver sized to 6 mm across the flats. Avoid over-torquing, as stainless steel fasteners are susceptible to galling — apply light lubrication if thread resistance is encountered. Power down all equipment and discharge any capacitors before working inside energized enclosures. Follow applicable IPC and enclosure manufacturer guidelines for board mounting clearances and fastener torque procedures.