AOP Precast produced lifting socket with plastic cap by high grade steel or stainless steel materials to ensure higher safety factor to transport precast concrete. The lifting socket have plastic cap to prevent dirty and concrete into thread of socket. AOP lifting socket was made by high grade precision seamless tube. The reinforcement rebar cross through lifting socket bottom hole to fix into precast concrete. So the lifting socket is an ideal lifting solution for the large and thin precast concrete components. AOP lifting socket can maximum load capacity over 12.5 ton. The metric and RD thread are available.