Tariff Concession Orders

ROUNDING RINGS, POLYETHYLENE PIPE, galvanised steel, having ALL 
of the following:
  (a) rounding capacity diameter NOT less than 63 mm and
      NOT greater than 250 mm;
  (b) hinged;
  (c) nut AND thread closure

CORERS, DIAMOND TIPPED, having a diameter NOT greater than 
600 mm

BITS, MASONRY CORE, having ALL of the following:
  (a) diamond segments;
  (b) hex shank drive;
  (c) diameter NOT less than 6 mm AND NOT greater than 50 mm

TUBES, DRILL BIT, having a length NOT greater than 2 metres

BITS, TAPHOLE, BLAST FURNACE

DRILL BITS, ELECTRO-PNEUMATIC ROTARY HAMMER, tungsten carbide
 tipped, having a shank geometry of EITHER of the following:
   (a) slotted drive;
   (b) triangular

DRILLS, GUN, as follows:
   (a) being ANY of the following;
         (i) carbide tipped;
        (ii) solid carbide;
       (iii) solid carbide heads,
   (b) having ALL of the following;
         (i) standard driver;
        (ii) coolant channels through centre;
       (iii) tip off-centre,
   (c) having EITHER of the following;
         (i) length greater than 300 mm;
        (ii) length less than or equal to 300 mm, with outside
             diameter less than 6 mm or greater than 25.3 mm

DRILLS, chisel tip auger

SAW DRILLS, being drill bits that use the first 25mm (one inch) or
 so of the drill bit to drill through the desired material, then use
 the rest of the special shaft as a cutting tool or saw

COMPOSITE TOOL BODIES (HOLDERS), METAL WORKING, but NOT including
 tool bodies imported with tool tips, plates or sticks

GUN DRILLS, having ALL of the following:
  (a) being ANY of the following:
        (i) carbide tipped;
       (ii) solid carbide;
      (iii) solid carbide heads;
  (b) having ALL the following:
        (i) standard driver;
       (ii) coolant channels through centre;
      (iii) tip off centre;
  (c) but NOT including ANY of the following:
        (i) diameter exceeding 5.99 mm but NOT exceeding 25.3 mm;
       (ii) length NOT greater than 300 mm

DRILL BITS, MASONARY, HAMMER, having BOTH of the following:
   (a) slotted shank;
   (b) hammer proof carbide tip

BITS, AUGER, scotch pattern

DRILL BITS, stepped twist,  high speed steel, with OR without 
case

TWIST DRILL BITS, high-speed steel, 130 degree tip angle, with 
OR without case

TWIST DRILL BITS, high speed steel, titanium nitride head 
coated, with OR without case

TWIST DRILL BITS, high speed cobalt, stepped tip, with OR 
without case

TWIST DRILL BITS, high speed steel, stepped tip, with OR without 
case

TWIST DRILL BITS, high speed steel, 118 degree tip angle, with 
OR without case

DRILL BITS, conical countersink, high speed steel, 90 degree 
angle, with OR without case

CUTTING BITS, MILLING AND/OR MACHINING, polycrystalline diamond, 
having BOTH of the following:
  (a) laser ablation sharpened; 
  (b) carbon based coatings with a vickers hardness of NOT less 
      than 6 000