Report copyright - SCREW CONVERSION JOINTS EXTENSION JOINTS ねじ ...4 2( 1/4) 3(3/8) 4N(NPT1/2) 35 40 45 1/2 27 31.2 1,430 1,600 2,190 型式 M (並目 ),R PTN 選択 L 選択 Rc(PT)
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