泽宏膨胀螺厂
鱼翅栓英制六棱膨胀栓美制电梯栓1/4*5052555/16*60-1253/8*60-1251/2*80-1605/8*80-160
膨胀栓加工小头M8小20小3058687898118M10小30687898118
M8国标607080100120
10国标607080100120
12国标80100110120130150
纯国标大头8*607080100120
10*607080100120
12*80100110120130150
电梯栓正国标12*10011012013015016*100120125140150
机械栓12小2078981158