Square Countersunk Plug, Nominal Size: 1/4 IN, Connection Type: MNPT, Material: Steel, Finish/Color: Black, Industry Standards: ANSI/ASME B1.20.1, UL And ULC Listed, FM Approved, NSF 61 And NSF 61 Annex G, Other Physical Dimension: 1/4 IN Nominal Size Of Square, 0.44 IN Thread Length

Plugs are produced in both malleable iron and cast iron grades. The iron from which they are made is held to strict formula by careful chemical analysis and control.

• Tapping is done on the most modern type of threading machines
• Hand sorted and inspected to eliminate defective castings

• Brochure/Catalog https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/02501215BLTR90_Broc.pdf