Inquiry (采购产品): a drill bit for porcelin Hello, My name is Adam, Im working on the new medical/office building at 701 White Pond Dr. For Zumpano and Hanson Development. I was needing a good bit to drill through porcelin tile, every carbide bit i tried has worn down very quickly, i was wondering what type to use and if you carred them. I would appriciate any information, thank you! **** Hidden Message ***** Adam Young 44320 USA Company: Zumpano and Hanson Phone: 330-289-6863 E-mail: adamyoung1611@yahoo.com **** Hidden Message ***** adamyoung1611@yahoo.com