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Drilling Carbon Fibre

Allen_

Allen_

Messages
3,499
Got to drill my bonnet to fit washer jets. Really not looking forward to it...

Any tips?

Cheers
 
Hi mate, you need to use a tungsten carbide tipped drill to achieve a nice hole in carbon. Also use a block of wood on the underside so the carbon doesn't split on the other side.
 
Also when i have drilled it i have always put masking tap over the area i was going to drill. Was told it would help stop the coating from chipping and also helps stop the drill slipping. Not sure how much truth was in it but i didnt have any problems.
 
Not sure if you've done this yet but make sure the drill is on high speed and drill down gradually with a tungsten carbide bit (as Composite Guru said) otherwise it could crack. What I tend to do is use a pointy tip engraver on a dremel to make a small indent to act as a centre punch before using the dremel to drill the hole. This basically stops your drill bit moving around.
 
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