Professional nut serts /rivet nut for commercial or occasional use Assorted steel nut rivet set ranging from 3mm – 12mm158pc Steel Nut Rivet setSuitable for use with most materials that cannot be tapped or weldedDual action nut serts can be used as blind fastener or screw anchorIdeal for creating a threaded fixing point on any metallic or dense materialSteel nut serts rivet nut for maximum strength and durabilityRequires action to only one side of the work pieceNut can be installed after painting or finishing operations to provide a robust screw anchor therefore eliminating problems of welding and material distortionOnce the nut sert is installed they are permanently attached to the mating material, allowing the associated nut to be removed in service without the risk of the fastener becoming dislodgedStrong thread at least 6 turns, even on thinner materialCarbon steel body for maximum strength and durabilityZinc plated / coated to prevent from rust and wear Suitable for use with most nut sert toolsLeaves a strong professional looking fastenerPermanent and reliable fastenerSET INCLUDES THE FOLLOWING• 40 x 3mm Steel Nut Rivet • 35 x 3.5mm Steel Nut Rivet• 25 x 5mm Steel Nut Rivet• 25 x 6mm Steel Nut Rivet• 15 x 8mm Steel Nut Rivet• 10 x 10mm Steel Nut Rivet• 8 x 12mm Steel Nut RivetComes in a partitioned clear box for east storage / transportation and identification