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1.材料:不锈钢,见D.T.D.734(最新版)。2.钢丝型面按R.S.621。3。镀镉按D.T.D.904,最小厚度0.0002时。4.无镀层的统一细牙螺纹钢丝螺套见A.S.6733。
1. Material: stainless steel, see D. T. D. 734 (latest version). 2. Wire surface by R. S.621.3. Cadmium plated by D. T. D. 904, the minimum thickness of 0.0002 when. 4. See uncoated uniform fine thread thread inserts. S. 6733.