UC series solid carbide under cut type for FR4 or high Tg resins PCB drill bits Specifications About us + Professional manufacturer of all kinds of carbide end mills, milling cutter , drill bits , router bits , special tools . + Grinding and inspection equopments improted from Switzerland + Inspection in every process to ensure 100% qualified + Competitive price + Samples for testing first + 1 year quality warranty after delivery Our Workshop Product Showcase We are looking for agents , wholesales , distributors , retailers all over the world ! Please don't hesitate to contact us if you are interested in our products !