Electro Hardware MP407M06F16M3 Female Hex Standoff M3

Product Description

The ELECTRO HARDWARE MP407M06F16M3 is a female hex circuit board standoff machined from aluminum alloy to metric M3 x 0.5 thread specifications. This fully threaded standoff measures 4 mm overall length with a 4 mm thread depth, providing a secure threaded engagement across its entire body. The hex profile — 4.5 mm width across flats — allows standard wrench or driver installation and holds boards at a consistent, fixed height above a chassis or substrate. The plain, bright uncoated finish suits indoor electronics assemblies where anodizing or plating is not required. Electricians, electronics technicians, and PCB assembly professionals use standoffs like this to mount circuit boards in enclosures, control panels, and industrial equipment.

This standoff is suited for metric PCB mounting applications in residential and light commercial control panels, HVAC control boards, electrical enclosures, and general electronics assemblies. The M3 x 0.5 thread accepts a standard M3 machine screw on the female end. Its compact 4 mm overall length makes it appropriate for low-profile board stacking applications where minimal board-to-chassis clearance is needed. The aluminum construction keeps weight low while providing adequate mechanical strength for typical PCB fastening loads. This part meets QQ-A-225A Comp 2 material standards for aluminum bar stock.

Key Features

• Fully threaded female interior thread: M3 x 0.5, 4 mm thread depth across the full body length
• Hex body profile at 4.5 mm width across flats for wrench or hex driver installation
• Aluminum construction, Material Grade T3, meeting QQ-A-225A Comp 2 standard
• Plain bright uncoated finish — suitable for dry indoor electronic assembly environments
• Compact 4 mm overall length for low-profile PCB mounting applications
• Length tolerance of -0.13 to 0.13 mm for consistent board-height stacking

Compatibility

Designed for metric PCB and circuit board mounting applications requiring an M3 x 0.5 female threaded standoff in aluminum construction. Compatible with standard M3 machine screws.

Installation Notes

Install using a wrench or hex driver sized to the 4.5 mm width across flats. Power down and de-energize any control panel or circuit board assembly before installing or removing standoffs. Avoid over-torquing aluminum standoffs, as the material is softer than steel and threads can strip under excessive force. Follow applicable electrical enclosure codes, including NEC requirements, when mounting control boards inside electrical panels.