Thread size of 8an weld bung is 3/4-16 UNF. Thread size of 10an weld bung is 7/8-14 UNF. Thread size of 6an weld bung is 9/16-18 UNF. Thread size of 12an weld bung is 1 1/16-12 UNF. Weld bung feature: rustproof and corrosion-resistant, heavy duty and durable.
