DIN928 Square Weld Nut,DIN562 Square Thin Nut,DIN557 Square Nut,Material available : mild steel ,stainless steel and brassor alu DIN928 Square Weld Nut DIN562 Square Thin Nut,DIN557 Square Nut,Material available : mild steel ,stainless steel and brassor alu OEM service offer ISO9001:2000 DIN928 Square Weld Nut