STUD DIN835 DIN938 DIN939 We are the Fasteners Department under China National Electronics Imp & Exp Ningbo Co., Ltd, which integrates R&D, manufacturing and international trade. Our entire range of fasteners are made of carbon steel, alloy & stainless steel, plastic, and other special materials. Production is carried out in compliance with DIN, IFI, ANSI/ASME, BS, ISO, JIS specifications. And we also welcome OEM and ODM orders. Packing: G.W.: 25Kgs/Carton In Wooden Package or Small Mail Box According to Customer Inquire Surface treatment: plain, black, zinc, hot dip galvanized, dacromat, elctro galvanized etc.,