... Center Drill Bits 2.60-90 Degrees 3.Made of Carbide, HSS, HSS-Co Drill bits, center drill ... .0mm with length 30mm-70mmDegree: 60-90Material: tungsten carbide, HSS, HSS-Co (m42, m35, m2)Tin ... special sizes as per customer requirementOur products include: Carbide End Mill, Ball & Nose End Mill, Corner ... , Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc. Center Drill Bits Made of Carbide and HSS and HSS ...