6" x 8-1/2" S/40 Black ERW Nipple Black Fittings (Imported) accurate threads are machined that

accurate threads are machined that comply with the precise standards developed by the Amerian Society of Mechanical Engineers (ASME) and published as an American National Standard

material:    Copper connection:    Sweat Features:        Lightweight and Strong    IAPMO approved    ANSI approved

material:    Copper connection:    Sweat Features:    Made in the USA    Lightweight and Strong    IAPMO approved    ANSI approved

Has 5/16" hex head screws

size:_   3/4" x 1/2" material:   Steel Use:   Steam Thread Type:   Female & Male

6" x 8-1/2" S/40 Black ERW Nipple Black Fittings (Imported) accurate threads are machined thatmaterial: Black Steel connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards Made in The U. S. A.