Flangia esagonale 1/2"-20 grado 8 dadi blocco superiore zinco giallo filo fine (scegliere quantità)
Grade 8 Hex Flange Prevailing Torque Top Lock Nuts. Wrench Size: 3/4". Finish: Zinc Yellow. These are not second quality fasteners that were previously rejected or rescued from a scrap yard. We will do our best to make it right.