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Tel:0086-18959243380
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ST58-89 Retrac Button Bit
- Code No.:Q14-89-ST58
- Thread:ST58
- Diameter:89mm
- Gauge Buttons:14mm*8
- Front Buttons:12mm*6
- Skirt Design:Retrac
- Carbide Design:Dome
- Face Design:Drop Center
- Skirt Body Steel Code:45CrNiMoA/45CrNiMoVa
Rock drilling tools manufacturer ProDrill offers rock drill bits: ST58 Retrac Threaded Button Bits are one of the most important size for benching and long hole drilling underground
ST58 Retrac Threaded Button Bit
Diameter: 89mm, 93mm, 102mm, 115mm, 127mm
Skirt Body: retrac, and normal, straightrac
Face type: flat, uniface, drop center
Uniface ST58 Threaded Drill Bit
Carbide Design: Dome, ballistic, semi-ballistic/parabolic
Retrac body Threaded Drill Bit ST58 Threaded Button Bit ST58 threaded button bit ST58 Thread Retrac Button Bit
Used in bench drilling, underground long hole drilling to match extension drill rod, heavy duty top hammer.
ST58-89, retrac button bit with drop centre DC , carbide layout 14mm*8+12mm*6
