Manufactured in Vietnam, the HJ-8 (D-S8) metal joint connector is a fast-assembly fitting for modular racking, trolleys, and worktables built with Ø28mm plastic-coated steel pipes or Ø28mm stainless pipes. The set combines two D-S8 joints secured with an M0625 bolt and M6 nut, enabling quick installation, easy repositioning, and durable surface finishing (zinc-plated or black coating) for consistent project sourcing and repeat export orders. Product Dimensions: