1. Ububanzi: Amadayamitha avamile ahlanganisa i-M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, njll., ngamamilimitha. 2. I-Thread pitch: ama-threaded rods anobubanzi obuhlukene ngokuvamile ahambisana nama-pitches ahlukene. Isibonelo, i-pitch ye-M3 ivamise ukuba ngu-0.5 millimeters, i-M4 ivamise ukuba ngu-0.7 millimet...
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