# Screws for hsm4

**URL:** https://community.zymbit.com/t/screws-for-hsm4/1629
**Category:** HSM4
**Created:** [February 17, 2024, 5:09pm UTC](https://community.zymbit.com/t/screws-for-hsm4/1629 "2024-02-17T17:09:08Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![tennisparty](https://avatars.discourse-cdn.com/v4/letter/t/a4c791/32.png) [@tennisparty](https://community.zymbit.com/u/tennisparty)
#### Post date: [February 17, 2024, 5:09pm UTC](https://community.zymbit.com/t/screws-for-hsm4/1629/1 "2024-02-17T17:09:08Z")

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What size and thread screw do I need for the hsm4 to secure it onto a pcb?

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### Author: ![Finbarr\_of\_Zymbit](https://avatars.discourse-cdn.com/v4/letter/f/e47c2d/32.png) [@Finbarr\_of\_Zymbit](https://community.zymbit.com/u/Finbarr_of_Zymbit)
#### Post date: [February 17, 2024, 5:50pm UTC](https://community.zymbit.com/t/screws-for-hsm4/1629/2 "2024-02-17T17:50:46Z")

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This is the screw type [M1.6-0.67 x 4 mm Type PT Style Thread Forming Screws / Phillips / Pan Head / Steel / Zinc](https://www.fastenersuperstore.com/products/585834/thread-forming-screws?pid=18620)

Screws fit in the two 1.8mm holes shown here \> [HSM4 |](https://docs.zymbit.com/reference/cad/hsm4/)