Titanium drill bits from b&q
28 October 2010, 08:31 AM
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28 October 2010, 10:26 AM
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Quote:
Why are mine spotted with rust
Isn't it just the tip thats Titanium, rest of the bit is steel so able to rust...
28 October 2010, 10:42 AM
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28 October 2010, 10:50 AM
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Is it possible to sharpen them with a normal stone?
28 October 2010, 10:53 AM
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Havnt attempted it , just snapped one at the weekend anyway
29 October 2010, 03:43 PM
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Thats a shame.
Les
31 October 2010, 12:32 PM
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I think you might find that Ti bits are actually just Ti coated and once the coating wears, they rust like all drills will.
31 October 2010, 03:13 PM
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So if you sharpen them they will be like normal steel drills then.
31 October 2010, 03:23 PM
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31 October 2010, 03:49 PM
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As Alcazar says, the titanium nitride is just a coating. Do yourself a favour and get a set of cobalt steel drills - they're not that expensive and can be resharpened.
31 October 2010, 04:05 PM
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Quote:
Originally Posted by
alcazar
I think you might find that Ti bits are actually just Ti coated and once the coating wears, they rust like all drills will.
+1
31 October 2010, 04:11 PM
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Is the coating a gold colour? If so it is a titanium nitride coating - present to increase surface hardness and reduce friction. The parent metal will be steel.
31 October 2010, 04:46 PM
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That's it, couldn't remember the proper term.
31 October 2010, 05:55 PM
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or high speed steel ones? (HSS)
01 November 2010, 02:31 PM
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Quote:
Originally Posted by
Bubba po
As Alcazar says, the titanium nitride is just a coating. Do yourself a favour and get a set of cobalt steel drills - they're not that expensive and can be resharpened.
Sounds the best way to me.
Les
01 November 2010, 06:06 PM
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Just buy cheap drill hss drill bit kits' use WD40, when they blunt, buy a new kit. Unless you are a professional engineer, then use to quality bits
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31 October 2010, 03:49 PM
