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A new edge for a custom Demko

kwakster · 3 · 756
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00 Offline kwakster

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A new edge for a custom Demko
on: March 03, 2014, 09:32:53 PM
User custom Andrew Demko in CPM-M4 high speed steel from a Dutch forum member

Before sharpening:







After sharpening.
Reprofiled from +/- 30 degrees inclusive to 25 degrees inclusive on a standard Paper Wheel with 220 grit SiC, then refined with a second Paper Wheel coated with 15 micron diamond compound, and finally deburred with a third Paper Wheel coated with 1 micron diamond compound (experimental)
The new edge survives a few forceful test cuts into my laminated test block without any visible damage (seen through a loupe), after which it effortlessly treetops the hairs on the back of my hand and slices single-ply toilet paper.









Specs:

Length open: 8.7 inch (22,2 cm)
Length closed: 5.3 inch (13,4 cm)
Blade length: 3.5 inch (8,9 cm)
Blade thickness: 4,57 mm
Steel: CPM-M4
Lock type: Tri-Ad lock
Handle material: Tan G-10 on titanium liners
Weight: 214 grams

us Offline ducttapetech

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Re: A new edge for a custom Demko
Reply #1 on: March 03, 2014, 11:59:56 PM
That's nice looking.

that's us mobile

Nate

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ca Offline Toolslinger

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Re: A new edge for a custom Demko
Reply #2 on: March 04, 2014, 01:54:25 AM
That is a nice looking blade.

And that polished edge is :drool:. Love it! :tu:

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