(100) 1/2-13 grado 8 seghettato GRANDE flangia blocco esagonale dado spin/wiz dadi 1/2x13

Grade 8 Serrated Large Flange Lock Nuts. Hex / Wrench Size: 3/4. Flange Nut Specs Flange O.D:1.175 - 1.205. Nut Thickness485 -. 515. NOTpreviously rejected for quality issues or rescued from a scrap yard.

eBay