Aluminum Standoff: 5/16" Length, 4-40 Thread, F-F (4-Pack)

These 5/16"-long hexagonal female-female aluminum standoffs keep parts spaced 0.313 inches (7.9 mm) apart. They are like elongated, 3/16″-wide hex nuts, with 4-40 threads running through the entire length of each standoff. They are sold in packs of 4.

Overview

These F-F (female-female) aluminum standoffs are great for separating stacked components or chassis tiers and can be used as an alternative to our nylon spacers. Each hexagonal standoff is 3/16″ wide and has threading running through the entire length, similar to an elongated hex nut. A variety of lengths are available with either 2-56 or 4-40 threading:

Alternatives available with variations in these parameter(s): length thread type Select variant…

Longer standoffs can be made by stacking multiple F-F standoffs on a single screw.

M-F (male-female) standoffs are also available, and can be screwed together or combined with F-F versions to make longer standoffs:

We carry a variety of 2-56 and 4-40 screws and hex nuts that can be used with these standoffs.