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Forum topic by Jhwill posted 12-13-2017 12:37 AM 550 views 0 times favorited 3 replies Add to Favorites Watch
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26 posts in 1731 days

12-13-2017 12:37 AM

I have been looking for a Sargent 718 and found two, one for a user and one for parts. After further investigation the parts plane may be able to put back in service. First step is irons. I made a drawing of the needed irons.
Next I purchased O1 tool steel and fabricated the iron. The following photos shows the steps.
Marking and drilling slots.
Shaping and grinding.
What steps need to be taken to prepare the iron for sharpening and the methods for heat treating?

3 replies so far

View Don W's profile

Don W

19618 posts in 3342 days

#1 posted 12-13-2017 12:02 PM

You want to form the bevel but not bring it to a point yet.
Heat treat it.
Then temper it.
Then you can sharpen it.

That is a great job. Those irons are hard to find.

-- - Collecting is an investment in the past, and the future.

View Tim's profile


3859 posts in 2736 days

#2 posted 12-13-2017 01:39 PM

If you don’t want to make your own forge, or buy one, you can send irons out to be heat treated. I agree, really nicely done on that iron.

View bbasiaga's profile


1243 posts in 2769 days

#3 posted 12-13-2017 04:33 PM

I am not sure where you are at, but my brother has a heat treat oven. Shipping within the US is probably cheap and I bet he wouldn’t charge much.

He did a heat treat and temper on the chisel in my project list, and has done several knives.


-- Part of engineering is to know when to put your calculator down and pick up your tools.

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