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Blade assembled
- Thread starter bcoop
- Start date
wayupnorth66
New member
picture?
wayupnorth66
New member
Nice tool...now go get ya some and get it dirty 
garrettlover
New member
that's an awesome digger congrats
TURNMASTER
Active member
Yes that is a nice looking Survival Digger, and it is none to threatening. Looks like it will do the job. Whatever the job at hand happens to be. LOL
Did you ever find out what the material is?
Jeff
Did you ever find out what the material is?
Jeff
The blade on this tool is 4120 which is basically a chrome moly, excellent steel known for its ability to be case hardened. This one is probably going to have to be hardened, we tested it and it is 28 on the RC scale which is a little soft. Ok for digging in good ground but if you hit some rocks in the ground it is going damage the edge or serration. This was made for a pattern and to determine how well it works or if any changes are needed. A good knife blade is anywhere from 58 to 62 on the RC scale, any harder it becomes hard to put on an edge or is brittle and will snap into.
A2 or D2 would be good but steel is expensive, your looking at 60 to 90 bucks for just enough A2 or D2 to make 2 blades.
BCOOP
A2 or D2 would be good but steel is expensive, your looking at 60 to 90 bucks for just enough A2 or D2 to make 2 blades.
BCOOP
TURNMASTER
Active member
I was reading your other post and think you are right. Harden that thing to the low to mid 50s and you should should maintain some good flexibility, that would put it in the spring range, at least for some other blade materials. Should hold a reasonable edge too, if you keep the blade angle fairly steep. Nothing will really "holds" an edge in the dirt. Looks like a good blade design overall. I like the pommel that should help with digging.
Jeff
Jeff