03-04-2019, 03:12 PM
I've made quite a few neck bushings out of O1 tool steel. Pretty simple process to turn and bore them all in one setup, part off, chamfer backside and heat/quench in oil. Polish up and temper to a straw color (high 50's Rockwell C). If you have a lathe (sounds like you do), just make what you want, takes maybe 20 minutes.

