Bit Matrix |
K1 |
K3 | K5 | K7 | K9 | K11 |
Matrix Hardness | HRC54 | HRC42 | HRC30 | HRC18 | HRC6 | HRC0 |
Rock Hardness | Select K1 in case of low working lifte of K3 | Soft Rock Medium Hard Rock Hard Rock | Select K11 without footage of K9 | |||
Grain Size of Rock | Large Grain Medium Grain Fine Grain | |||||
Breakage of Rock | Serious Breakage Normal Breakage Complete | |||||
Drill Rig Power | High Power Medium Power Low Power |
Seq. | Sizes | Item |
OD(mm) |
Code |
1 | AWL |
Reaming Shell |
48 |
P |
2 |
BWL BWL2 |
Reaming Shell |
59.9 |
P, D |
3 |
NWL |
Reaming Shell |
75.7 |
P, D |
4 |
HWL |
Reaming Shell |
96.1 |
P, D |
5 |
PWL |
Reaming Shell |
122.6 |
P, D |
6 |
SWL |
Reaming Shell |
148.1 |
P, D |