Inquiry (采购产品): drag bits we are in need of a new manufacturer! we currently are using kay-rock bit co and we resell approx.150 -200 4 wing 3 1/2" n-rod 3 thread carbide bits. will you send us a price? we order 24 at a time. thank you, bberlett 309-360-1786 **** Hidden Message ***** brad berlett 61602 Company: dooley bros mining services E-mail: bberlett@sbcglobal.net **** Hidden Message ***** bberlett@sbcglobal.net