"Genral " CNS Standards List| Brass Screwed | Life cycle | Dimensions 127, | Hexagon high | Method test | Kerosene | L + | Tapping Screws, | |
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CNS 512
2017 Edition Metric Trapezoidal Screw Thread (Genral Plan) 梯形螺紋(總則) |
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CNS 512
1978 Edition Metric Trapezoidal Screw Thread (Genral Plan) 梯形螺紋(總則) |
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