GB5012109198207503000
MASONRY DRILL MADE FROM TUNGSTEN CARBIDE. CARBIDE COMPRISES PRIMARY OF THREE ELEMENTS, BEING CARBON, TUNGSTEN AND COBALT. GRINDING MACHINES ARE USED TO MANUFACTURE THE CARBIDE BLANKS INTO THEIR KNOWN TRADE NAMES OF DRILLS. TOOLING WILL BE USED ON MACHINE TOOLS IN THE ENGINEERING SECTOR IN VARIOUS INDUSTRIES. DRILLS ARE CUTTING TOOLS USED TO CREATE CYLINDRICAL HOLES. CENTER DRILL BITS ARE USED IN METAL-WORKING TO PROVIDE A STARTING HOLE FOR A LARGER-SIZED DRILL BIT OR TO MAKE A CONICAL INDENTATION IN THE END OF A WORK PIECE IN WHICH TO MOUNT A LATHE CENTER.