INTERCHANGEABLE POLYCRYSTALLINE DIAMOND COMPACT (PDC) CUTTER. CONSISTS OF A LAYER OF POLYCRYSTALLINE DIAMOND BONDED TO A COBALT CEMENTED TUNGSTEN CARBIDE SUBSTRATE SUPPORT OR BACKING. METHOD OF ANALYSIS: PDC ARE CYLINDRICAL IN SHAPE AND ARE MANUFACTURED IN A NUMBER OF SIZES, DIAMETERS OF 8,11, 13, 16 AND 19MM AND LENGTHS OF 4,5, 8, 13 AND 18MM LENGTH. THE POLYCRYSTALLINE DIAMOND END IS IDENTIFIABLE BY ITS BLACK COLOUR WHILE THE TUNGSTEN CARBIDE SUBSTRATE WHICH IS MAGNETIC IS SILVER IN APPEARANCE. USED WITH BORING OR SINKING MACHINERY.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8207 INTERCHANGEABLE TOOLS FOR HAND TOOLS, WHETHER OR NOT POWER-OPERATED, OR FOR MACHINE TOOLS (FOR EXAMPLE, FOR PRESSING, STAMPING, PUNCHING, TAPPING, THREADING, DRILLING, BORING, BROACHING, MILLING, TURNING OR SCREW DRIVING), INCLUDING DIES FOR DRAWING OR EXTRUDING METAL, AND ROCK-DRILLING OR EARTHBORING TOOLS GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 820719 OTHER THAN ELSEWHERE SPECIFIED WITHIN THIS SUBHEADING; INCLUDING PARTS CN CODE 82071910 OTHER THAN WITH WORKING PARTS IF CERMETS ALSO CLASSIFIED IN ACCORDANCE WITH:- HSEN & CNEN CHAPTER 82 HEADING 8207