![National Hardware 4003BC Series N261-420 Coupling Nut, Coarse, UNC Thread, 1-8 Thread, Steel, Zinc, NE2 Grade [SKU: ORG3125192]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/18892/18163/3125192__94911.1683059073.jpg?c=1 "National Hardware 4003BC Series N261-420 Coupling Nut, Coarse, UNC Thread, 1-8 Thread, Steel, Zinc, NE2 Grade [SKU: ORG3125192]")
Product Overview
National Hardware 4003BC Coupling Nut, Thread Type: Coarse, UNC, Thread Size: 1-8, Steel, NE2 Grade, Zinc, Dimensions: 1 in [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: METAL SHAPES & STOCKS/COUPLING NUTS;Shop All]
![National Hardware 4003BC Series N261-420 Coupling Nut, Coarse, UNC Thread, 1-8 Thread, Steel, Zinc, NE2 Grade [SKU: ORG3125192]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/18892/18163/3125192__94911.1683059073.jpg?c=1 "National Hardware 4003BC Series N261-420 Coupling Nut, Coarse, UNC Thread, 1-8 Thread, Steel, Zinc, NE2 Grade [SKU: ORG3125192]")
![National Hardware N261-412 Coupler, UNC Coarse Thread, 7/8-9 Thread, Zinc [SKU: ORG7454937]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/18891/18162/7454937__28958.1683059073.jpg?c=1 "National Hardware N261-412 Coupler, UNC Coarse Thread, 7/8-9 Thread, Zinc [SKU: ORG7454937]")
National Hardware
![Stanley Hardware 4003 Series N182-717 Coupling Nut, UNC Thread, 5/8-11 Thread, Steel, Zinc [SKU: ORG4131926]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/18208/17803/4131926__63860.1683058810.jpg?c=1 "Stanley Hardware 4003 Series N182-717 Coupling Nut, UNC Thread, 5/8-11 Thread, Steel, Zinc [SKU: ORG4131926]")
Stanley Hardware
![National Hardware 4013BC Series N182-718 Coupling Nut, UNC Thread, 5/8-11 Thread, Galvanized [SKU: ORG7183023]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/68150/66036/7183023__51428.1683122914.jpg?c=1 "National Hardware 4013BC Series N182-718 Coupling Nut, UNC Thread, 5/8-11 Thread, Galvanized [SKU: ORG7183023]")
National Hardware
![National Hardware 4013BC Series N182-684 Coupling Nut, UNC Thread, 3/8-16 Thread, Galvanized [SKU: ORG7183015]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/68148/66034/7183015__20071.1683122913.jpg?c=1 "National Hardware 4013BC Series N182-684 Coupling Nut, UNC Thread, 3/8-16 Thread, Galvanized [SKU: ORG7183015]")
National Hardware
![Stanley Hardware 4003 Series N182-659 Coupling Nut, UNC Thread, 10-24 Thread, Steel, Zinc [SKU: ORG2575223]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/18202/17797/2575223__80034.1683058807.jpg?c=1 "Stanley Hardware 4003 Series N182-659 Coupling Nut, UNC Thread, 10-24 Thread, Steel, Zinc [SKU: ORG2575223]")
Stanley Hardware