TripleFast’s API 20E and 20F bolting solutions offer our clients unrivalled reliability and safety. Our products are tested under the most extreme conditions and we manufacture Bolting Specification Levels (BSL) in the three existing levels.

Specification + features

Our API 20E and 20F bolting solutions are manufactured in several different material classes:

• ASTM Grades
• ASTM A193 – B7, B7M
• ASTM A194 – 2H, 2HM, 7M
• ASTM A320 – Grades L7, L7M, L43