WWA Info Exchange

Ralph Laughton · Posted: Tue Jun 15, 2010 4:04 am Post subject: What is this shop-made...

...tool and why am I using it instead of a utility knife?

Ralph

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Jeff Fox · Posted: Tue Jun 15, 2010 7:12 am Post subject:

Not sure what you would call it other than a scribing knife.

This tool is actually shaving a groove that I would guess is the same width as saw blade.

You are using this instead of a utility knife because a utility knife would only make a thin cut that is hard to see.

Just a guess mind you. Very Happy

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Jeff

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Amateur Bill · Posted: Tue Jun 15, 2010 7:42 am Post subject:

A striking knife.

Bill
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Chuck Knarr · Posted: Tue Jun 15, 2010 7:49 am Post subject:

It is a marking or scribing knife. You are using it instead of a utility knife because it is beveled or sharpened only on one side, the side away from your straight edge. This causes a scribe right up next to the straight edge. If you used a utility knife which is beveled on both sides the line would be 1/2 the thickness of the blade away from the straight edge.
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newtooth · Posted: Tue Jun 15, 2010 9:44 am Post subject:

A scoring knife. Using it to cut through a sheet of laminate of some type. It cuts and clears a fine groove all the way through or at least deep enough so that the work piece can be snapped away from the waste. The blade acts on the workpiece in a manner similar to a grooving plane from a tongue and groove set

Sean McNulty · Posted: Tue Jun 15, 2010 7:59 pm Post subject:

Home made???
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Ralph Laughton · Posted: Thu Jun 17, 2010 6:49 pm Post subject:

Newtooth gets the points tonight! It is indeed for cutting laminate and cuts as described.

Sean,

It is just a piece of dowel with a slot cut in the end into which a section of old hacksaw blade, that has been ground to shape, is let into. A length of plastic pipe is slid over the dowel and closes the slot on to the blade keeping it all nice and solid.

Ralph Wink

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