hexgon weld nuts;DIN 929 Material: stainless steel 200,304,316 and Carbon steel Surface: zinc plated hexgon weld nuts;DIN 929 Material: Carbon steel and stainless steel 200,304,316 Surface: zinc plated (Yellow/white/blue zinc ) Standard:DIN, ANSI, JIS, BS Size: M4-M20 Packing: box or bulked in carton ;pallet Customized packing is accepted