API Bolting

At LoneStar Fasteners Europe Ltd, we understand the paramount importance of critical bolting solutions in the Oil and Gas Industry.

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    Our API 20E/20F certified bolting services are designed to meet the highest standards of reliability and safety, with a deep commitment to quality and precision.

    We provide a comprehensive range of bolting solutions that adhere to the rigorous API 20E/20F specifications. Our expert team is dedicated to ensuring that every bolt we deliver is not just a fastener, but a vital element in the integrity and performance of your critical equipment.

    LoneStar Fasteners Europe is licensed to apply the official API monogram to all manufactured bolting. We are accredited to API 20E BSL-1/2/3 and API 20F BSL-2/3.

    Bolting types include, but not limited to: Stud Bolts, Tap End/ Double Ended Studs, Hexagon Headed Bolting, Socket Head Bolting, Hexagon Nuts and Associated OEM Parts.

    API 20E Material

    • ASTM A193 Grade B7 / B7M / B16
    • ASTM A194 Grade 2H / 2HM / 7 / 7M
    • ASTM A320 Grade L7 / L7M / L43
    • ASTM A540 Grade B23

    API 20F Material

    • API 6ACRA 718 (120 KSI)
    • API 6ACRA 725 (120 KSI)
    • API 6ACRA 925 (110 KSI)
    • ASTM A453/A453M 660D

    Benefits of working with LSFE

    Our offerings include stud bolt assemblies, double-ended studs, heavy hexagon nuts and heavy hexagon and socket products.

    With fully traceable and certifiable stocks in excess of 6 million pounds covering all petrochemical ranges, LoneStar Fasteners is the supplier of choice to Europe's leading end-user companies and their appointed engineering, and procurement contractors.

    All product is offered on short lead times and is competitively priced within this global market.

    The general minimum certification is to 3.1 level, with 3.2, Nace and PED certification available upon request.

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