ST58 drilling tools can be used in underground mining & bench & long hole drilling?the hole diameter is usually somewhere between 89mm and 102mm.
Download The Catalog Enquiry Now!ST58 (2 1/4")
Button bit ( ST58) |
Dimensions (D) |
Flushing hole (mm) |
Buttons (mm) |
Angle |
Class |
Part no. |
|||
mm |
inch |
Gauge |
Front |
Gauge |
Front |
||||
89 |
3 1/2” |
—— |
4×10 |
8×12 |
6×12 |
35° |
M |
3089ST5814D |
|
89 |
3 1/2” |
—— |
2×14 |
8×14 |
6×12 |
35° |
H |
3089ST5814 |
|
89 |
3 1/2” |
2×9 |
2×11 |
8×12 |
6×12 |
35° |
H |
3089ST58F14R |
|
89 |
3 1/2” |
—— |
4×10 |
8×12 |
6×12 |
35° |
H |
3089ST5814DR |