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For this tool, you should look for a diesel injector nozzle discarded, this nozzle has an excellent hardness for this purpose.
There are various diameters.
http://3.bp.blogspot.com/-kvW-IauAXy...icoinjetor.jpg
Dismantle and remove the thin internal edge and grind the rounded gun.
http://2.bp.blogspot.com/-MJ63yPnuaP...h-homemede.JPG
http://3.bp.blogspot.com/-fFl_lKaUlv...%A7%C3%A3o.jpg
Remove here not to damage the hammer.
http://2.bp.blogspot.com/-zZWwanJa-2...tor-Diesel.JPG
Inverted mount center pin, after grinding burr.
http://1.bp.blogspot.com/-5pBYj4A7DH...punch-mont.JPG
http://3.bp.blogspot.com/-DKBomHtJ5t...as-prontas.JPG
Excellent marker.
http://4.bp.blogspot.com/-pY4Cn4PFLp...teste-furo.JPG
The diffuser tip has an angle already defined for marking and sharpening only when needed again.
I hope that be useful to you.
Good luck.
Excellent tip! Had a bunch of those nozzles years back but didn't think fit to hang on to a couple. Too bad.
Very clever of you Hotz. I never thought that injector nozzles are that hard. I might try these nozzles for other purposes.
Al
Thanks guys...: Cool:
Great tool :O) Attachment 2252
This thread has been moved to the Must Read subforum. Congrats (and thanks) to Hotz for making such a valuable contribution!
Thanks Hotz! We've added your Scribes to our
Scribes, Awls, and Marking Knives category, as well as to your builder page: Hotz's Homemade Tools. Your receipt:
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Old injector needles are great for making very small chisels as well for doing things like cutting out small bushes, cleaning and/or cutting slots. Make small punches. Make excellent small D-bits, engraving bits. Make a hole in a piece of square steel, mount and grind as cutting tools, good for O-rings etc. Best of all your local fuel shop will usually give you them for free.
