Our sales have 10 years experience in fastener area.Our S321 stud and nut used in Chimney system of Power plant!SS321 Stainless steel hex bolt / 1.4541 boltMchining quality1. Standard: DIN931/933/603/444, ISO4014/4017/8677, ASME B18.2.1, A325, A325M2. Material: SS321 / 1.45413. Size: M6-64mm4. Deli......


