okay i will admit that i have always had a hard time drilling through still i have steel bits a low speed variable 1/2inch drill and water to keep the bit cooler as it goes through also i punch the steel to allow the bit to get a grip does anyone have any advice do i need to sharpen my bits or try new bits? i have dewalts pilot point bits and some older bits not sure if thier for steel or multipurpose. can ya'll help me?
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