Hello Dears. I am from Russia. We are interested with M16, M20, M24, M30 hexagon nuts DIN 5587, raw material stainless steel (AISI304 or AISI304L). Will you send me quotation, please? For the first time we will take just samples - 5-10 pcs. If the quality and price will suit us the total order will be 10 000 - 50 000 pcs for ech item regularly.elshadwinchina at g mail dot com