Pololu - Aluminum Standoff: 1/4 Length, 2-56 Thread, M-F (4-Pack)

These hexagonal male-female aluminum standoffs keep parts spaced 0.25" (6 mm) apart and are great for building a multi-level robot chassis. Both ends of these 3/16"-wide standoffs have 2-56 threads. The standoffs are sold in packs of 4.
These hexagonal male-female aluminum standoffs keep parts spaced 0.25 (6 mm) apart and are great for building a multi-level robot chassis. Both ends of these 3/16-wide standoffs have 2-56 threads. The standoffs are sold in packs of 4.

Pololu 2084 - Aluminum Standoff: 3/8 Length, 2-56 Thread, F-F (4

Aluminum Standoff: 3/4 Length, 4-40 Thread, M-F (4-Pack)

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1.125 Length, 1/4 OD Round Aluminum Standoff (6-32 Thread

Aluminum Standoff: 1 Length, 4-40 Thread, M-F (4-Pack) – Pi Australia

Pololu - Aluminum Standoff: 1/4 Length, 2-56 Thread, M-F (4-Pack)

Aluminum Standoff for Raspberry Pi: 18.6mm Length, M2.5 Thread

Aluminum Standoff for Raspberry Pi: 18.6mm Length, M2.5 Thread

These hexagonal male-female aluminum standoffs keep parts spaced 1.5 (38 mm) apart and are great for building a multi-level robot chassis. Both ends

Pololu - Aluminum Standoff: 1-1/2 Length, 2-56 Thread, M-F (4-Pack)

Aluminum Standoff: 1 Length, 2-56 Thread, M-F (4-Pack) at MG

2-56 Male-Female Threaded 0.75 in. Long Hex Aluminum Standoff

These hexagonal male-female aluminum standoffs keep parts spaced 1.25 (32 mm) apart and are great for building a multi-level robot chassis. Both ends

Aluminum Standoff 1.25 x 0.25 4-40 M-F 4-Pack

Aluminum Standoff for Raspberry Pi: 18.6mm Length, M2.5 Thread

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Aluminum Standoff: 5/16 Length, 2-56 Thread, F-F (4-Pack)