89mm T45 Retractable Button Rock Drill Bit Anti Stuck Retrac Design
89mm T45 Retractable Button Rock Drill Bit — Anti Stuck Retrac Design for Complex Rock Drilling
For tough, unstable, and fractured rock formations that easily cause bit jamming and drilling delays, our 89mm T45 retractable button drill bit delivers reliable, problem solving performance for mining, tunneling, and quarry construction work.
Featuring a professional anti stuck retrac skirt structure, this T45 threaded rock bit allows smooth retraction when drilling holes collapse or rock layers shift, effectively avoiding stuck bit issues that often lead to project downtime and tool damage.
Built with high strength alloy steel body and premium tungsten carbide buttons, the 89mm retrac drill bit maintains stable penetration speed and strong wear resistance in harsh layered rock conditions. The precise T45 thread connection ensures tight, secure fitting with drill rods for consistent drilling accuracy.
Ideal application scenarios :
✔ Quarry blast hole drilling
✔ Underground mine rock drilling
✔ Tunnel and roadway excavation
✔ Dam and infrastructure engineering
We provide full size retractable button drill bits, customizable face shapes, carbide button types, and complete thread series. Wholesale and OEM orders are warmly welcome.
DM us for detailed specifications and factory bulk pricing.












