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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

Q18-89-ST58-RC-Threaded Button Bit

threaded button bit
threaded button bit

Product details

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.

ST58-93 Threaded Button Bit 


ST-58 thread type is double thread design for easy knock off drill bit, ST-58 means diameter 58 mm with double T shape thread, thread distance 24 mm, this is extra heavy duty drill bit for jump top hammer. Drill rod use guide tube for a match. 

ST58-115 Threaded Button Bit 

18 Dome/Semi-ballistic carbide inserts ST58 Threaded drill bits with flat face design, 89 mm diameter with extension rod for heavy duty drilling.

Thread ST58 of Threaded Button Bit

A look inside of ST18 threaded button bit.

PDFFor more details please watch PDF online:  ST58 Drill Bits for Bench Drilling, Long Hole Drilling Underground Catalogue

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