... M12; BS-5/32, 3/16, 1/4... 2)carbon steel, stainless steel,aluminium 3)RoHS Compliant; TS-16949(including ISO 9001 carbon ... 5/32, 3/16, 1/4,5/16, 3/8MaterialCarbon steel, stainless steel and aluminiumHeadFlat head,small head,countersunk head, flat hexagon headBodyRound ... is one of the companies which with the longest history, scale and widest variety of riveted nuts in the industry, our ...