Zinc alloy die casting M23 Screw connector shells pass 48H salt spray test with hight quality standard. With the rapid development of automation equipment and industry, the demand of M series die casting connector shells is more and more. This Zamak alloy screw thred connector enclosures can pass 48H salt spray test with Nickel plated. And the precision diemnsion of internal threads are machined by CNC turning machines. This high pressure casting is die-cast by a 88T zinc alloy die casting machine.