Convexing coated non-stainless

T

thombrogan

Joined
Nov 16, 2002
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Has anyone here broke out the mousepads and sandpaper to convex a non-stainless blade with a coated edge? For instance, a Benchmade Nimravus or a Cold Steel SRK?

Thanks in advance!
 
I have ripped off many powder coats, but have not tried any of the higher hardness coatings which are supposed to be very abrasion resistant.

-Cliff
 
Did you rip the coating off before sharpening or as a result of sharpening? BT2 Teflon is pretty durable stuff, but it eventually disappears.
 
Yep. I am currently sharpening my BM 730 in M2 using a convex grind on the edge. Makes for super quick touch-ups. A couple passes on 320 grit shop roll stretched over foam building board, white sticks on a Sharpmaker and then strop. The mouse pad works OK, but give yourself 18" - 24" of sharpening surface and it goes much, much quicker.

If you do it right, you won't really even scratch the coating much above the old bevel.
 
I think by "higher hardness coatings" Cliff is referring to Boron Carbide or something like that. Teflon, powder coats, epoxy, etc. are just paint (polymers) which although pretty good, will be easily abraded off. All these coatings can be had for refinishing your gun, which is how I know about them.
 
Thanks Blademan13 and Eager!

I haven't thought of convexing my 730CFHS. I just set the shoulders off at 30 degrees and apply an edge bevel at 40 degrees on that happy puppy. Gotta love how responsive M2 is to touch-ups. Almost makes up for how difficult it is to reprofile on a Sharpmaker. ...Almost. :)
 
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