According to this process, they are just put through a quench and temper before threading. Material is 1008, low carbon.
ADDITIONAL REQUIREMENTS:
Material – Steel shall be made by the open-hearth, basic oxygen or electric furnace process and shall be made to a finegrain
practice.
Process –...
Customer has requirement for forged eyebolts (m8 diameter) be Charpy tested to 40J at room temp. Problem 1 is this is small than normal 10mm sample size for testing. Problem 2 is with it being forged, taking sample from a lot, then hoping it can be earmarked for the po if it passes the Charpy...