04-20-2012, 03:36 PM
Hi
I have used carbide burs extensivly for modifying cylinder heads
Both iron and aluminium
They need to be run fast very fast (die grinder)
You cut cast dry i use rocol tapping fluid with aluminium (wd 40 works)
A good finish can be obtained with no chatter but you have to make them work
john
I have used carbide burs extensivly for modifying cylinder heads
Both iron and aluminium
They need to be run fast very fast (die grinder)
You cut cast dry i use rocol tapping fluid with aluminium (wd 40 works)
A good finish can be obtained with no chatter but you have to make them work
john