... : 1mm~12mm 2.Low price tungsten drill: USD 1.04 3.High quality carbide drill 4.Quick service Guangzhou Huarui Cutting Tools Co ... tools, drill bit or hss carbide drill, tungsten drill and engraving tools, and blade holder for processing material like arylic, MDF, PVC, lense, wood, aluminum ... CertificateBusiness License & Registration and Record of Foreign Trade Dealer Guangzhou Carbide Drill Bit Tool