(5) 1/2-13x9 grado 8 bulloni testa esagonale tappo viti bullone 1/2x13x9 e 1/2-13 dado flangia
Flange Hex Nuts. Thread Pitch:13. Thread Length:1-9/16 (Partial Thread). Screw Length:9" (From Under The Head). It is a lot easier to resolve problems one on one. We will do our best to work out any issues there may be.