ASTM A320 L7 Bolting, API SPEC 20E BSL 1, 1-3/8 Inch, 175 MM
ASTM A193 B7 Bolting, API 20E BSL 2, 1-3/8 Inch, Zinc Coated
Double End Thread Bolting, Class 2A, API 20E BSL 2, 122 MM
API SPEC 20E BSL 3 Bolting, Class 2A, 1-1/8 IN, 8UN, 120 MM
Yellow Zinc Coated Bolting, API 20E BSL 1, 1-1/8 Inch, 8UN
