API 20E Bolting

API 20E Certification
API 20E License

Fastenal is one of a select group of manufacturers licensed to manufacture oil and gas bolting products.
Our in-house capabilities include:

  • Bottom-Ingot 4140 & 4340 Raw Material Stock
  • Hot Upset Forging up to 4.5"
  • Cut & Roll Thread Forming up to 6"
  • AMS 2750 Vacuum Heat Treat
  • AMS 2750 Quench & Temper Heat Treat
  • API Q1 & ISO 9001 QMS
  • ISO 17025:2005 Testing Labs
  • NDE: Mag Particle, Liquid Penetrant, UT, PMI & XRF

Click Here to veiw our current API 20E License.

For more information on our API 20E capabilities please contact jprice@fastenal.com.

Scope of Fastenal's API 20E-0020 License

Fastenal is committed to providing our customers with quality products backed by customer service that’s second to none. Each of our locations serves as an efficient single source for a vast range of fastening and machined part needs.With years of experience manufacturing parts for the Petro-Chemical industry whether it's offshore, refinery or component needs.

Bolting Specification Level

  • BSL-1
  • BSL-2
  • BSL-3

ASTM Grades

  • A193 Gr B7 & B7M
  • A320 Gr L7 & L7M
  • A320 Gr L43
  • A194 Gr 2H & 7M
  • A540 Gr B22 & B23


  • Hot Formed Bolts
  • Hot Formed Nuts
  • Stud Bolts
  • Machined Bolts & Nuts

These specialized fasteners are marked with the API Monogram and meet industry-written standards and globally-accepted management system specifications.
This bolting is intended to be used in Surface & Subsea Equipment and API specifications such as:

  • Wellheads
  • Valves
  • Blow Out Preventers
  • Trees
  • Risers
  • Manifolds
  • Other HPHT Equipment
  • API 6A
  • API 6D
  • API 6DSS
  • API 16A
  • API 16C
  • API 17D

For more information on our API 20E capabilities please contact jprice@fastenal.com.


Fastenal is proudly involved with the associations listed below. Click on the logos to vist the websites of each trusted organization.

API Logo

American Petroleum Institute


The American Society of Mechanical Engineers


ASTM International


Association of Well Head Equipment Manufacturers


Bureau of Safety and Environmental Enforcement:

To learn more about federal regulatory involvement with faulty connector bolting in safety critical equipment visit bsee.gov/bolts.

  • QC-Fit Reports
  • Findings & Recommendations
  • BSEE Safety Alerts
  • API & BSEE Correspondence
  • API 20E & 20F Implications
  • Interagency Bolt Action Team
  • National Academy of Science Bolt Project
What does API 20E Mean to the Oil & Gas Industry?


  • The Monogram Mark is a protected trademark
  • Legally enforceable program requirements through contract agreements with the Licensees
  • The mark can only be applied to new, conforming product, manufactured by the Licensed organization at the Licensed facility
  • Industry initiative that supports its commitment to improve safety and reliability of oil and gas industry equipment and operations

To Manufacturers

  • A way to be recognized by API and industry for product quality
  • Recognition of their capability to manufacture products that meet API specifications
  • A means to physically mark and identify conforming products

To Equipment Purchasers and End-Users

  • Verification that the products meet the requirements of the API specifications and standards
  • Manufacturers have implemented a management system that provides assurances that processes have been implemented to provide consistent, conforming products
  • Manufacturers have implemented processes and controls to identify and address customer requirements, customer complaints and product issues
  • A method to trace products back to the original manufacturer, design and performance requirements
  • A means to report industry product and process issues and nonconformities
  • Visible identification in the field that a product was manufactured to conform to an API product specification or standard

Source: Energy API (www.api.org)

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