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Aluminum Standoff: 1/2" Length, 4-40 Thread, F-F (4-Pack)

Pololu item #: 2091
Brand: Generic

Price break	Unit price (US$)
1	2.50
5	2.30
25	2.12

Quantity:
backorders allowed

These 1/2"-long hexagonal female-female aluminum standoffs keep parts spaced 0.5 inches (13 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.

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

Compare all products in Female-Female Standoffs.

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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:

Body Length	Thread		Body Length	Thread
0.25″	#2-56	#4-40	11 mm	M2.5, 4mm
0.375″	#2-56	#4-40	11 mm	M2.5, 6mm
0.5″	#2-56	#4-40	18.6 mm	M2.5, 6mm
0.75″	#2-56	#4-40
1.0″	#2-56	#4-40
1.25″	#2-56	#4-40
1.5″	#2-56	–