Tools, interchangeable; rock drilling or earth boring tools, with working part (other than of cermets), whether or not power operated, including parts

820719 Other, including parts:

82071930 With cutting part containing by weight over 0.2 percent of chromium, molybdenum, or tungsten or over 0.1 percent of vanadium

8207193030 Percussion rock drill bits

8207193060 Rotary rock drill bits, core bits and reamers

8207193090 Other

82071960 Other

8207196030 Percussion rock drill bits

8207196065 With working part of diamonds

8207196070 Other

8207196090 Other

8207190000 Tools, interchangeable; rock drilling or earth boring tools, with working part (other than of cermets), whether or not power operated, including parts

82071900 Other, including parts

82071901 Rock drilling bits of diamond

82071909 Other

8207191000 With working part of diamond or agglomerated diamond

8207199000 Other