IADC classification : PDC bits

IADC classification : PDC bits
A
Bit body
B
Formation type
C
Cutting structure
D
Bit profile
"M" Matrix 1 Very soft 2 PDC, 19mm 1 Short fishtail
"S" Steel 3 PDC, 13mm 2 Short profile
"D" Diamond 4 PDC, 8mm 3 Medium profile
Example 2 Soft 2 PDC, 19mm 4 Long profile
M Matrix 3 PDC, 13mm  
4 Medium 4 PDC, 8mm  
3 PDC 13mm 3 Soft to medium 2 PDC, 19mm  
4 Long profile 3 PDC, 13mm  
  4 PDC, 8mm  
  4 Medium 2 PDC, 19mm  
  3 PDC, 13mm  
  4 PDC, 8mm  
  5 No code  
  6 Medium hard 2 Natural diamond  
  3 TSP  
  4 Combination  
  7 Hard 2 Natural diamond  
  3 TSP  
  4 Combination  
  8 Extremely hard 2 Natural diamond  
  3 Impregnated diamond