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**Bill Harsey** · 05-13-2006, 08:15

Peregrino,
A midly complicated process I do here can be seen in the background of the pic you reference. Check out the little brass washers in the image you reference.
These are .015 inch thick and made by me from "half hard" brass sheet shim stock.
I first had to make a punch and die set that could produce the interior bore accurate to +.0000" and -.0005" of either .2188", .2500" or .3750" depending on the blade pivot bushing diameter.
After punching out the center hole, the square washer blanks are stacked onto a mandrel (made here too) on the lathe and turned for whatever outside dimensions the model of folding knife needs. Each folder has two different sized washers, small one goes on the lock bar side.

05-13-2006, 08:15	#16
Bill Harsey Bladesmith to the Quiet Professionals Join Date: Feb 2004 Location: Oregon, Land of the Silver Grey Sunsets Posts: 3,886	Peregrino, A midly complicated process I do here can be seen in the background of the pic you reference. Check out the little brass washers in the image you reference. These are .015 inch thick and made by me from "half hard" brass sheet shim stock. I first had to make a punch and die set that could produce the interior bore accurate to +.0000" and -.0005" of either .2188", .2500" or .3750" depending on the blade pivot bushing diameter. After punching out the center hole, the square washer blanks are stacked onto a mandrel (made here too) on the lathe and turned for whatever outside dimensions the model of folding knife needs. Each folder has two different sized washers, small one goes on the lock bar side. Last edited by Bill Harsey; 05-14-2006 at 07:31.
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