- Joined
- Dec 3, 1999
- Messages
- 9,437
Wow, that is definitely work to be proud of!!!
It's a really handy design, and it looks like you did a very nice job with the execution. Your leatherwork looks professional! :thumbup:
Very nice all the way around :thumbup:
Regarding the problems with drilling. Soaking 5160 in vinegar overnight to remove the mill scale should help tremendously. That mill scale is very hard and very tough on bits. The vinegar will eat through it so your tooling doesn't have to.
Also make sure you're using the proper drilling speed. You can find that with a pretty general formula of 4 X cutting speed for material / diameter of drill.
A good cutting fluid doesn't hurt either.
GREAT JOB, you should be proud
It's a really handy design, and it looks like you did a very nice job with the execution. Your leatherwork looks professional! :thumbup:
Very nice all the way around :thumbup:
Regarding the problems with drilling. Soaking 5160 in vinegar overnight to remove the mill scale should help tremendously. That mill scale is very hard and very tough on bits. The vinegar will eat through it so your tooling doesn't have to.
Also make sure you're using the proper drilling speed. You can find that with a pretty general formula of 4 X cutting speed for material / diameter of drill.
A good cutting fluid doesn't hurt either.
GREAT JOB, you should be proud