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Old 07-05-2012, 11:31 PM   #1
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Drill bits


hi,

I am useing cutters to drill holes size 10-14mm through 8-12mm mild steel.The bits tend to snap easily due to vibration of the work surface. Is there a particular make of cutter more suitable for this application other then the standard bit ie. titanium ....?


any reccomendations would be appreciated

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Old 07-05-2012, 11:49 PM   #2
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Drill bits


Ayuh,... What kinda bits are ya using now,..??

Have ya tried a slower speed,..?? Lots, 'n lots of oil,..??

Are they snapping, on break-through,..??

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Old 07-06-2012, 09:58 AM   #3
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Drill bits


Better secure the material to eliminate the vibration. Clamps come in all kinds of sizes and shapes.
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Old 07-07-2012, 11:35 PM   #4
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Drill bits


im using standard cutter drill bits , this type shank annular cutters
http://www.jancy.com/index.cfm?fusea...t&productid=76

securing the surface is not possible as its part of a large structure
that vibrates constantly.

sometimes they snap on break through.

would a different alloy cutter make any diffrence? if so wich type?
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