Xylan Coated Stud Bolt, API 20E BSL-1, B7M, 1-1/4 Inch, 8UN
ANSI B18.2.1 Stud Bolt with Nuts, B7M, 2HM, 1-5/8 Inch, 8 UN
ASTM A193 Grade B7M Stud Bolts, ASME B18.31.2, 1 Inch, 8 UNC
