用于螺钉/螺栓尺寸
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M10, M12, M18, M20, M3, M4, M5, M6, M8
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内径
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3.4 (HLS-3) mm, 4.4 (HLS-4) mm, 5.4 (HLS-5) mm, 6.5 (HLS-6) mm, 8.6 (HLS-8) mm, 10.7 (HLS-10) mm, 13 (HLS-12) mm, 17 (HLS-16) mm, 21.4 (HLS-20) mm
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外径
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7 mm, 7.6 mm, 9mm, 10.8 mm, 13.5 mm, 16.6 mm, 19.5 mm, 25.4 mm, 30.7 mm
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