"M52 " CNS Standards List |
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CNS 158
2020 Edition Rectangular Lock Washers (for Metric Bolts and Nuts: M3 - M52) 長方形防鬆墊圈(用於螺釘及螺帽M3至M52) |
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CNS 154
2020 Edition Large Unfinished Washers (for Metric Bolts and Nuts: M6 - M52) 粗製大墊圈(用於公制螺栓及螺帽M6至M52) |
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