Discuss 4" core bit, cuts just like butter, yeh right! in the UK Electrical Forum area at ElectriciansForums.net

If you are using diamond core bits they can glaze the diamond if continually drilling hard material to deglaze them and restore the cutting edge run it into a cinder block
 

Reply to 4" core bit, cuts just like butter, yeh right! in the UK Electrical Forum area at ElectriciansForums.net

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