China Top Hammer Drill Tools Carbide Retrac Drill Bits for Drilling, Find details about China Bits Drilling, Hard Rock Drilling Bits from Top Hammer Drill Tools Carbide Retrac Drill Bits for Drilling
R32 | |||||
Name | Diameter | Tip size(mm) | Flushing holes | ||
mm | gauge | front | side | front | |
R32 thread button bits | 41 | 4*9 | 2*8 | 1 | 1 |
43 | 4*9 | 2*9 | 1 | 1 | |
45 | 4*10 | 2*9 | 1 | 1 | |
R32 Retrac thread button bits | 60 | 6*9 | 4*8 | 0 | 3 |
64 | 6*9 | 4*9 | 0 | 3 | |
70 | 6*10 | 4*10 | 0 | 3 | |
T38 | |||||
Name | Diameter | Tip size(mm) | Flushing holes | ||
mm | gauge | front | side | front | |
T38 thread button bits | 57 | 5*11 | 3*10 | 1 | 1 |
64 | 5*12 | 3*11 | 1 | 1 | |
76 | 5*14 | 3*12 | 1 | 2 | |
T38 Retrac thread button bits | 60 | 8*9 | 3*9 | 2 | 2 |
64 | 8*9 | 4*9 | 2 | 2 | |
70 | 8*10 | 4*10 | 2 | 2 | |
76 | 8*11 | 4*10 | 2 | 2 | |
89 | 8*12 | 5*12 | 2 | 2 | |
T45 | |||||
Name | Diameter | Tip size(mm) | Flushing holes | ||
mm | gauge | front | side | front | |
T45 thread button bits | 70 | 6*11 | 4*10 | 0 | 2 |
76 | 6*13 | 4*10 | 0 | 2 | |
89 | 8*12 | 5*12 | 2 | 2 | |
102 | 8*13 | 6*12 | 2 | 2 | |
115 | 8*14 | 6*13 | 2 | 2 | |
T45 Retrac thread button bits | 70 | 8*11 | 4*10 | 2 | 2 |
76 | 8*11 | 4*10 | 2 | 2 | |
80 | 8*12 | 5*11 | 2 | 2 | |
89 | 8*12 | 6*11 | 2 | 2 | |
102 | 8*13 | 6*12 | 2 | 2 | |
T51 | |||||
Name | Diameter | Tip size(mm) | Flushing holes | ||
mm | gauge | front | side | front | |
T51 thread button bits | 89 | 8*12 | 5*12 | 2 | 2 |
102 | 8*13 | 6*12 | 2 | 2 | |
115 | 8*14 | 6*13 | 2 | 2 | |
127 | 8*14 | 6*14 | 2 | 2 | |
T51 Retrac thread button bits | 89 | 8*11 | 5*12 | 2 | 2 |
102 | 8*11 | 6*12 | 2 | 2 | |
115 | 8*12 | 6*13 | 2 | 2 | |
127 | 8*12 | 6*14 | 2 | 2 |