Question:
What is the hardness of this bolt? class 8.8? class 10.9? etc
asked by: Aurelio
Helpful Expert Reply:
The Replacement Bolt for Thule Sidearm TH594XT # 915-068-054 that you referenced is Class 8.8. You can actually see the class on the head of it in the picture I attached.
Replacement Bolt for Thule Sidearm TH594XT
