spring nut, stainless steel channel nut stainless steel spring nut. sample are free of charge 1/4,3/8,5/16,1/2 are offered specification : spring nut, channel spring nut stainless steel spring nut.,channel nutssample are free of chargeM6,M8,M10,M12 offeredAmercian standard : 3/8" 1/2" etcsurface treatment : electro -galvanised , Hot dipped galvanised , SS304,SS316.etc. spring nut, stainless steel ...