Arduino UNO / full-size Arduino boards screw size
Arduino UNO / full-size Arduino boards uses M3 screws. Details, length ranges and sources below.
Arduino Stack Exchange answer states the Arduino Uno is designed to take M3 screws (vs the Pi's M2.5), in context of comparing mounting hole sizes between an Uno and a Pi.
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
Replacement screws for Arduino UNO / full-size Arduino boards
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- Buy on AmazonKits and single sizes, with reviews naming real devices
- Buy on eBayOEM screw sets and repair-parts sellers
- M3 screw assortment kitBoxed kit with several lengths — the cheapest way to cover one thread size
- M3 socket cap screwsISO 4762 / DIN 912 hex-drive, the engineering default
- M3 low profile / button headFor clearance-limited repairs and thin covers
- M3 standoffs & spacersPCB and board-mount hardware in the same thread
- M3 tap & drillFor cutting or chasing a damaged thread
- Precision driver setSmall threads need a properly fitting bit or you cam out and round the head
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