... : stainless steel type : thread finish : plain male-female standoff , electrical standoff , threaded standoff1.material : stainless steel 2.type : thread3.finish ... : plain4. certificate : ISO9001:20005.comply with ROHS male-female standoff 1.material : stainless steel , carbon steel , brass , aluminum2. ... to carbon steel,alloy steel, stainless steel,copper, nylon and POM. male-female standoff