DIN 976-1 Type B A4-70 Stud Bolt with Hex Nut

China DIN 976-1 Type B A4-70 Stud Bolts ASTM A193 Grade B8M SS316 Stud Bolts manufacturer A4-70 stud Bolts are manufactured from 316 Stainless Steel in accordance with EN 3506 specification What is A4-70 Stainless Steel? A4 is made from SS 316 material and 70 which classifies its strength. When we say A4-70 it generally means that the bolt / screw is from SS 316 grade and has an ultimate tensile strength as 70 kg or 700 n/mm2. A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend [...]