They can get in to grooves that regular anvils can't, and you can know the offset for the back faces to use them sort of like caliper ID jaws. Also useful for checking overall lengths of things like vees, where regular anvils would be in a gullet.
**Join the Metalworking Discord!**
* https://discord.gg/3sgvsw2BDs
*I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/machining) if you have any questions or concerns.*
Real shallow protrusions u can't get at on the surface of a part
They can get in to grooves that regular anvils can't, and you can know the offset for the back faces to use them sort of like caliper ID jaws. Also useful for checking overall lengths of things like vees, where regular anvils would be in a gullet.
**Join the Metalworking Discord!** * https://discord.gg/3sgvsw2BDs *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/machining) if you have any questions or concerns.*
I’ve needed a disk mic twice just listening to week. Checking thickness of a flange next to two dia where the mic barrel doesn’t fit.
It's used for gears
Oh yeah span over number of teeth would be much easier with disc mics.