Hey, Kris; old bits were High Speed Steel...new bits are almost all Carbide. The attraction to the older bits for most woodworkers is almost non-existent.
Sorry for the letdown but the sad reality is they're high maintenance and of little economic value. This doesn't mean that someone somewhere wouldn't want them, but they're not worth a lot.
Cheers!
Sorry for the letdown but the sad reality is they're high maintenance and of little economic value. This doesn't mean that someone somewhere wouldn't want them, but they're not worth a lot.
Cheers!