API 16A & API 16C Hubs & Clamps icon

API 16A & API 16C Hubs & Clamps

API 16A & API 16C Hubs and Clamps are manufactured from the highest grade 4130 European material.

A bright blue API 6A flange in the Marcore facility.

API 16A & API 16C Hubs & Clamps

API 16A & API 16C Hubs and Clamps are manufactured from the highest grade 4130 European material.

Full third party design assements have been carried out for over 650 of our drilling products. Please see the tables in our technical brochure for the dimensional data for Marcore API 16C Hub and Clamp sizes. Please note that these are lists of only the most common sizes manufactured and stocked by Marcore. If you have any requirements for specific sizes or special materials that are not in the lists please contact sales@marcore.co.uk and we will be more than happy to assist. Marcore are capable of supplying all API sizes. Marcore only supplies the highest quality API 16A & 16C Hubs and Clamps manufactured in UK. They have been designed to be strictly in accordance with the following standards:

  • MSS‐SP75: Specifications for High test Wrought Butt Weld Fittings.
  • ANSI B31.3: Chemical Plant and Petroleum Refinery Piping.
  • ANSI 16.9: Factory made Wrought Steel Butt Weld Fittings.
  • NACE MR‐01‐75: Sulphide Stress Cracking Resistant Metallic Materials for Oil Field Equipment.
  • API 16A: Specifications for Drill Through Equipment.
A view inside the Marcore production facility with oil and gas fittings production and CNC machining

Quotes & Availability

We're here to help you with your enquiry. Please contact us with your requirements and we will get back to you as soon as possible with stock levels, lead times and pricing.

sales@marcore.co.uk