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ST58 Button Thread Mining Bit GT60 Tungsten Carbide Thread Button Drill Bits
| MOQ | 1PCS |
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
Used in bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer drilling tools.
ST58 Uniface Retrac Threaded Button Bit
13 Semi-ballistic carbide inserts ST58 threaded drill bit with uniface face design, 102 mm diameter match with extension drill steels. Uniface bits are well suited for drilling straighter holes in less abrasive and less consolidated rock at a faster rate.
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