Unified Screw Thread Chart for Metric Millimeter
What is the thread pitch for a Metric bolt thread in millimeters?
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| thread_mm | Diameter | Coarse | Fine | Fine (2/3/4) | | thread_mm | M1 | 0.25 | - | - | | thread_mm | M1.2 | 0.25 | - | - | | thread_mm | M1.4 | 0.3 | - | - | | thread_mm | M1.6 | 0.35 | - | - | | thread_mm | M1.8 | 0.35 | - | - | | thread_mm | M2 | 0.4 | - | - | | thread_mm | M2.5 | 0.45 | - | - | | thread_mm | M3 | 0.5 | - | - | | thread_mm | M3.5 | 0.6 | - | - | | thread_mm | M4 | 0.7 | - | - | | thread_mm | M5 | 0.8 | 0.9 | 0.75 / 0.5 | | thread_mm | M6 | 1 | 0.75 | 0.5 | | thread_mm | M7 | 1 | 0.75 | 0.5 | | thread_mm | M8 | 1.25 | 1 | 0.75 / 0.5 | | thread_mm | M10 | 1.5 | 1.25 | 1 / 0.75 | | thread_mm | M12 | 1.75 | 1.5 | 1.25 / 1 | | thread_mm | M14 | 2 | 1.5 | 1.25 / 1 | | thread_mm | M16 | 2 | 1.5 | 1 | | thread_mm | M18 | 2.5 | 2 | 1.5 / 1 | | thread_mm | M20 | 2.5 | 2 | 1.5 / 1 | | thread_mm | M22 | 2.5 | 2 | 1.5 / 1 | | thread_mm | M24 | 3 | 2 | 1.5 / 1 | | thread_mm | M27 | 3 | 2 | 1.5 / 1 | | thread_mm | M30 | 3.5 | 3 | 2 / 1.5 / 1 | | thread_mm | M33 | 3.5 | 3 | 2 / 1.5 | | thread_mm | M36 | 4 | 3 | 2 / 1.5 | | thread_mm | M39 | 4 | 3 | 2 / 1.5 | | thread_mm | M42 | 4.5 | 4 | 3 / 2 / 1.5 | | thread_mm | M45 | 4.5 | 3 | - | | thread_mm | M48 | 5 | 3 | - | | thread_mm | M52 | 5 | 4 | - | | thread_mm | M56 | 5.5 | 4 | - | | thread_mm | M60 | 5.5 | 4 | - | | thread_mm | M64 | 6 | 4 | - |
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