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Q18-89-ST58-RC-Threaded Button Bit
- Code No.: Q18-89-ST58
- Thread: ST58
- Diameter: 89mm
- Gauge Buttons: 9*12mm
- Front Buttons: 9*11mm
- Skirt Design: Retrac
- Weight: 5.2KGS
- Carbide Design: Parabolic/Dome
ST58 Threaded Button Bits are the most important size for benching and long hole drilling underground, this type of rock drill bits manufactured by rock drilling tools factory ProDrill.
Diameter: 89mm, 93mm, 102mm, 115mm, 127mm
Skirt Body: retrac, and normal, straightrac
Face type: flat, uniface, drop center
Carbide Design: Dome, ballistic, semi-ballistic
Used in bench drilling, underground long hole drilling
To match extension MF rod, MM rod heavy duty top hammer.
Features:
18 Dome/Semi-ballistic carbide inserts ST58 Threaded drill bits with flat face design, 89 mm diameter with extension rod for heavy duty drilling.
A look inside of ST18 threaded button bit.
For more details please watch PDF online: ST58 Drill Bits for Bench Drilling, Long Hole Drilling Underground Catalogue
