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Replacement M3-0.5mm thread pitch size set screws / thumb screws are commonly used for: 1.25" Diagonal eyepiece thumb screws 1.25" SCT visual back thumb screws Some finder and guide scope shoe thumb screws (larger M4 size is more common) Available in various lengths for your application. 2 screws per pack.
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🇺🇸 Ship from USA · On Agora since 2025
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