Rivet nut (falt head,round body). Material:Stainless Steel Specification:M6,M8,M10 Rivet nut (falt head,round body)we ... on . also we can produce according to customer's drawing. specification:M3 ,M4 ,M5, M6, M8 ,M10 ,M12, inch: 1/2 ... /8,1/4,5/32 3/16,5/16. material: steel, stainless steel, brass,aluminium. stainless steel round rivet nut