Electro Hardware 1451M03F21-1032 Hex Standoff 10-32

Product Description

The ELECTRO HARDWARE 1451M03F21-1032 is a male-female hex circuit board standoff designed to space and secure printed circuit boards within electronic enclosures, control panels, and HVAC or electrical equipment assemblies. Machined from brass with a zinc-plated finish meeting ASTM B633 Type 1 and QQ-B-626 Comp 22 standards, this standoff provides reliable corrosion resistance and electrical separation between board layers. The hex body measures 0.25 inches across flats, with an overall length of 1.375 inches, a 1-inch body length, and a 3/8-inch thread length. The 10-32 thread configuration accepts standard machine screws on the male end and receives a mating fastener on the female end.

This standoff is suited for residential and commercial applications wherever circuit boards require fixed spacing from a mounting surface or adjacent board. Common installation scenarios include HVAC control board mounting, electrical panel assemblies, industrial control enclosures, and electronic equipment racks. The inch-system hex geometry allows installation and removal with standard hex drivers or wrenches.

Key Features

• Male-female thread configuration - 10-32 thread size for standard machine screw compatibility
• Brass construction with zinc-plated finish meeting ASTM B633 Type 1 and QQ-B-626 Comp 22
• Overall length of 1.375 inches with a 1-inch hex body and 3/8-inch thread length
• 0.25-inch width across flats for use with standard hex drivers
• Thread depth of 0.5 inches on the female end
• Length tolerance held to plus or minus 0.005 inches for consistent board spacing

Compatibility

Designed as a standard inch-series male-female hex standoff for use in circuit board mounting applications requiring 10-32 threaded fasteners and a 0.25-inch hex body profile.

Installation Notes

Installation is typically performed by electronics technicians, electricians, or HVAC service professionals during control board replacement or panel assembly. Power down and de-energize all equipment before accessing circuit boards or control enclosures. Use a properly sized hex driver or wrench matching the 0.25-inch across-flats dimension to avoid rounding the hex body. Follow applicable NEC guidelines when working inside electrical enclosures.