Tag Archives: 17-4PH bolts to replace 12.9 zinc coated screws

Q:  We are trying to move away from zinc plated 12.9 bolts due to hydrogen embrittlement problems and the geomet finish is giving us problems due to the diameter of the screw. As a better solution, we have thought about using Super Duplex screws or Nimonic 80A screws.  I understand that … Continue reading

Posted in Application, FAQs, High Strength, Material, Specialty Metal Fasteners | Tagged , , , , | Leave a comment