Feature: Sockets are made from Seamless Steel Pipes, the standard according to
ANSI/ASTM A 865 and EN10241，DIN 2986
Material: seamless steel pipes
Hot-dipped galvanized or electrical galvanized and black, also Powder coating as customer’s request.
Sockets thread refers internal paralled thread
Size suppliable from 1/8" to 6"
