Ultimaker Original heated bed / Z-stage upgrade kit screw size
Ultimaker Original heated bed / Z-stage upgrade kit uses M3 / M4 / M6 screws. Details, length ranges and sources below.
Assembly manual specifies M3x25mm screws for frame mounting and M3x10mm screws for Z-stage assembly, plus M3 nuts and M3 locknuts throughout the build
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
8 x M4x10 bolts used to secure bearings in the Z-stage assembly
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
M6 washer used with Knurled Nut Platform, springs and countersunk M3x20mm screws in the Z-stage build
pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30
Replacement screws for Ultimaker Original heated bed / Z-stage upgrade kit
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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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