FHU Series

Female Hammer Union

Caplugs' FHU Series* vinyl dip-molded protectors are designed for ease of installation and removal. This innovative molding process allows for maximum protection and competitive pricing.

Our FHU thread protectors offer an economical solution to protect the threads of expensive female sub components.  

  • Durable and lightweight
  • Threaded design for a secure fit
  • 30-50% less expensive than competitors (size dependent)
  • Available in a range of sizes
  • Correspond to HU Series colors

Material: Vinyl
Service Temperature: -26 - 350° F (-32 - 176° C)
Color: Varies (color coded by figure)

Two new sizes available! FHU-206-2 and FHU-206-3. 

*Patent Pending