PTFE coated ASTM A193 B7 Stud bolt with 2 A194 2H hex nuts ASTM A193 B7 Stud Bolt / PTFE coated A193 B7 Stud bolt PTFE is short for&nb […] PTFE coated ASTM A193 B7 Stud bolt with 2 A194 2H hex nuts Read More »PTFE coated A193 B7 Stud bolt