Self-locking hexagon thin nuts with non-metallic insert DIN 985 Material: stainless steel A2 M.5 Quantity: 15000 pcs. Hexagon socket button head screws UNI 7380 Material: stainless steel A2 M.5X20 Quantity: 15000 pcs. Hexagon socket button head screws UNI 7380 Material: stainless steel A2 M.5X25 Quantity: 15000 pcs.