Newport M-SP-2 / M-SP-4 optical posts screw size
Newport M-SP-2 / M-SP-4 optical posts uses M4 / M6 screws. Details, length ranges and sources below.
M4 tapped hole at one end of the post (M6 at the other)
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
M6 tapped hole at the base end of the metric optical post
pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30
Replacement screws for Newport M-SP-2 / M-SP-4 optical posts
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- Buy on AmazonKits and single sizes, with reviews naming real devices
- Buy on eBayOEM screw sets and repair-parts sellers
- M4 screw assortment kitBoxed kit with several lengths — the cheapest way to cover one thread size
- M4 socket cap screwsISO 4762 / DIN 912 hex-drive, the engineering default
- M4 low profile / button headFor clearance-limited repairs and thin covers
- M4 standoffs & spacersPCB and board-mount hardware in the same thread
- M4 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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