Thread: Pissed off...
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  #27  
Old 09-29-2010, 02:25 PM
DustinWolfe DustinWolfe is offline
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mapp gas will melt that block into a puddle. besides when you drill something out you want less heat, thats why you use drilling and tapping lube. eccesive heat will ruin the heat treating on your drill bit and ruin it in seconds.