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1/4-80

Base Lab Tools fine adjustment screwsBase Lab Tools 1/4-80 fine adjustment screws are ideal for applications where a moderate amount of fine adjustment is required. Typical uses of these fine adjusters are mirror mounts and tilt tables used for optical alignment. The 1/4-80 fine adjustment screws have 80 tpi (threads per inch) and a major diameter of 1/4". The fine adjustment screws and bushings for the fine adjustment screws are interchangeable and sold separately.