Click or scroll to zoom Tap or pinch to zoom Milton S-646 1/4" x 1/4" NPT Male Brass Hex Nipple In Stock $15.79 SKU MI646S 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1/4" male national thread pipe Male hex nipple fitting Hex nut center for use with wrench for tightening and loosening