... according to USA and German standard, high quality.please send you the request standard or drawing. strengthen detail ... A380, ADC10, ADC12, ZL104, ZL102 ,LM5 ,LM6. the surface treatment: polishing, dipping paint, power coated, chromate ... you are interested in our products, please contact with me and send me the details of your ... Good Business Partner of you. high quality standard fastener