These aluminum hexagonal standoffs are just the right size for mounting expansion PCBs or HATs with standard-size female headers on a Raspberry Pi. The body of each male-female standoff is 11 mm long by 4 mm wide. The male threads extend another 6 mm past the standoff body, and the female threads extend at least 6.35 mm into the body. You can easily screw multiple units together to make longer standoffs. The threads are M2.5 on both ends, since this matches the size of the Raspberry Pi mounting holes. We carry M2.5 nuts and 6 mm M2.5 screws separately.

Using 11 mm aluminum standoffs with 6mm-long threads to mount an A-Star 32U4 Robot Controller on a Raspberry Pi 2 Model B.

Note that these standoffs are not recommended for mounting a Raspberry Pi on a Balboa 32U4 robot because the 6mm-long male threads hit the robot chassis; we instead recommend the 11mm standoffs with shorter (4mm) male threads for that.

Other sizes

We also carry 18.6mm-long standoffs that match the height of our extra-tall 2×20 female headers and can be used to mount expansion boards so that they clear all of the components on the Raspberry Pi Model A+ and Model B+ as well as the Raspberry Pi 2 Model B and Raspberry Pi 3 Model B.

Mounting expansion boards to Raspberry Pis with 11 mm aluminum standoffs (left) and 18.6 mm aluminum standoffs (right).

In addition to these specialized standoffs, we carry standoffs in a variety of standard imperial lengths and thread types:

Select options:



Length: 11 mm

General specifications

Gender: Male-Female
Thread type: M2.5
Thread length: 6 mm1


Male thread; female thread depth is 6.35 mm.


SKU PL-1952
Brand Raspberry Pi

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