31.75mm Weldon Shank Carbide Core Drill Bit

31.75mm weldon Shank Carbide Core Drill Bit1. T. C. T. Annular cutter range with C type Universal shank (also called Multi- shank), The diameter of shank is 19.05mm, which is suitable for Quick-change arbor connector with 120° Three-point positioning and arbor connector with 90° Two-point perpendicular positioning. It fits various brands of magnetic drills imported from Japan, Europe, USA as well as magnetic drills Made in China and other drilling facilities like drill press, radial drilling press( Normal machine tools should be assembled with Morse Taper arbors)2. Made of special imported tungsten carbide tips, with stratified chip geometry and design of low friction on cutting edges, with the advantage of anti-chipping and longer tool life.3. Special production lines with CNC precision equipments and scientific quality control system, which provide product accuracy and consistency.  TypeSize(mm)TypeSize(mm)DNTP-4061061*50DNTP-6061061*100DNTP-4062062*50DNTP-6062062*100DNTP-4063063*50DNTP-6063063*100DNTP-4064064*50DNTP-6064064*100DNTP-4065065*50DNTP-6065065*100DNTP-4066066*50DNTP-6066066*100DNTP-4067067*50DNTP-6067067*100DNTP-4068068*50DNTP-6068068*100DNTP-4069069*50DNTP-6069069*100DNTP-4071071*50DNTP-6071071*100DNTP-4072072*50DNTP-6072072*100DNTP-4073073*50DNTP-6073073*100........................DNTP-4097097*50DNTP-6097097*100DNTP-4098098*50DNTP-6098098*100DNTP-4099099*50DNTP-6099099*100DNTP-41000100*50DNTP-61000100*100DNTP-41010101*50  DNTP-41020102*50  DNTP-41030103*50  DNTP-41040104*50  DNTP-41050105*50  DNTP-41060106*50  ......  DNTP-41500150*50    /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1