Electro Hardware MMF1307M0321M25 Hex Standoff M2.5

Product Description

The ELECTRO HARDWARE MMF1307M0321M25 is a male-female hex circuit board standoff designed to space and secure printed circuit boards within electronic assemblies. Machined from brass with a zinc-plated finish that meets ASTM B633 Type 1 and QQ-B-626 Comp 22 standards, this standoff provides reliable conductivity, corrosion resistance, and mechanical stability. It features an M2.5 x 0.45 metric thread on both the male and female ends with an overall length of 11.97 mm and a hexagonal body that accepts a standard wrench or driver for secure installation. Electronics assemblers, field technicians, and PCB service professionals install these standoffs when building or servicing control boards in HVAC, electrical, and similar trade equipment.

This standoff is suited for metric PCB mounting applications where a threaded male post on one end and a threaded female receptacle on the other are required to stack or offset boards at a consistent gap. The hex body shape allows torque to be applied with standard hex drivers or wrenches without slipping. The 8.00 mm body length combined with a 3.97 mm male thread length and 4.80 mm female thread depth provides a secure, dimensionally consistent connection point. Applications include control board assemblies, enclosure mounting, and multi-board stacking configurations found in residential and light commercial electronic systems.

Key Features

• M2.5 x 0.45 metric thread on both male and female ends for consistent fastening
• Brass construction with zinc-plated finish for corrosion resistance and conductivity
• Meets ASTM B633 Type 1 and QQ-B-626 Comp 22 finish standards
• Hexagonal body with 4.5 mm width across flats for wrench or driver engagement
• Overall length of 11.97 mm with a length tolerance of -0.150 to +0.150 mm
• UNSPSC Code 31161816 for procurement and catalog classification

Compatibility

Designed as an OEM-style metric standoff for printed circuit board assemblies requiring M2.5 x 0.45 threaded male-female hex spacers in electronic equipment and control board applications.

Installation Notes

Installation is performed by electronics assemblers or trade technicians servicing PCB-based control systems. Always power down and de-energize the equipment before handling or replacing circuit board hardware. Use a correctly sized hex driver or wrench matched to the 4.5 mm across-flats dimension to avoid rounding the hex body. Minimum order quantity is 10 units; ensure sufficient quantity is on hand before beginning a multi-board assembly.