B7 stud bolt
Stud bolts are screws in the form of full thread and similar to metric screws. Master bolts are produced in steel grades B7, B16 < and in steel grades B8, B8M and are often produced in inch sizes. In the production of stud Bolt, the American standard ASTM A193 is used, which has inch ribs. stud bolts are widely used in the water and sewage, oil and petrochemical industries in connecting pipes and flanges.
