Electro Hardware MMF1333M06F16M3 Hex Standoff M3x0.5

Product Description

The ELECTRO HARDWARE MMF1333M06F16M3 is an aluminum male-female hex circuit board standoff designed to separate and secure PCBs within electronic enclosures and control panels. It features an M3 x 0.5 thread on both ends - a male thread on one end and a female threaded bore on the other - allowing standoffs to be stacked or used as a single-layer spacer. The hexagonal body measures 4.5 mm across flats, providing a consistent wrench flat for installation. With an overall length of 25.76 mm and a body length of 21.00 mm, this standoff is suited for applications requiring precise board-to-board or board-to-chassis spacing. Material is aluminum alloy T3 grade, uncoated, meeting QQ-A-225A Comp 2 standards.

This standoff is used in electronics assembly, control board mounting, and instrumentation enclosures across HVAC control systems, electrical panels, and industrial equipment. It is appropriate for any application where metric M3 x 0.5 threaded hardware is specified. The male-female configuration allows for modular stacking of multiple standoffs to achieve custom spacing heights. Installation is typically performed by electronics assemblers, controls technicians, and field service engineers working on PCB-mounted control boards.

Key Features

• M3 x 0.5 male-female thread configuration for stackable or single-layer PCB mounting
• Hexagonal body at 4.5 mm across flats for wrench-driven installation and removal
• Overall length of 25.76 mm with a body length of 21.00 mm for consistent board spacing
• Aluminum T3 grade construction - lightweight and corrosion-resistant in typical indoor environments
• Meets QQ-A-225A Comp 2 fastener standard
• Bright uncoated finish - no plating to affect thread tolerance or fit

Compatibility

Designed as an OEM-style metric standoff for circuit board mounting applications that specify M3 x 0.5 threaded hardware in aluminum hex standoff configurations.

Installation Notes

Install and remove using a 4.5 mm hex wrench or nut driver to avoid rounding the hex body. De-energize all equipment and discharge any capacitors before working on or near circuit boards. Apply only hand-tight or low-torque fastening to avoid stripping the M3 aluminum threads. Follow applicable electrical and assembly standards when mounting control boards inside enclosures.