Thread: drilling brass?
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21-01-2010 #21
OK, I give up ... what's the difference between a 'jobber' and a Dormer' :confused: ... I think a 'jobber' is supposed to be L =10 X dia (when new) but any more and I am lost ... If I want to drill a 7mm hole I grab a 7mm drill bit ... Yes I know my lack of engineering knowledge makes me a Neanderthal knuckle dragger ..
Tim G-C
“I disapprove of what you say, but I will defend to the death your right to say it.”
(attrib. Voltaire but written by Evelyn Beatrice Hall "The Friends of Voltaire" 1906)
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21-01-2010 #22
SKF Dormer make quality jobber bits.
If you really want a 7mm hole grab a 6.7mm bit.
Don't start with the 6.8 because it's probably blunt being the M8 threading size
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21-01-2010 #23
Threading size???? I normally use a smooth sided pointy bolt and a hammer or super glue to hold things together or a hammer or a few grams of PE :naughty: to take things apart. Mind you my subject matter is almost always organic in origin.
PS ... Black Maskers was always the first option for fixing things ... The whole of the MOD is held together with Maskers ...Tim G-C
“I disapprove of what you say, but I will defend to the death your right to say it.”
(attrib. Voltaire but written by Evelyn Beatrice Hall "The Friends of Voltaire" 1906)
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04-08-2012 #24
I thought you might be interested in some special purpose drills
From left to right
45 degree hole
next two for corner drilling
middle one for approximation drilling
three on the right are straightened flute, for when you just want to unwind
Dont ask me how they happened, they aren't mine. Mine just break !
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