Thread Type: T51 Top Hammer Thread
Bit Diameter: 89 mm (3 ½")
Body Profile: Retractable (Retrac / RC Body)
Face Design: Drop Center (DC) / Flat Face (FF)
Button Count: 13 / 14 / 15 Buttons (Customizable)
Button Shape: Spherical (Hard Rock) or Ballistic (Fast ROP)
Carbide Grade: 100% Virgin Tungsten Carbide (No Recycled Material)
Steel Material: Premium Fatigue-Resistant Alloy Steel
Processing: Multi-Axis CNC Post-Heat Treatment Milling
Application: Open-Pit Mining & Heavy-Duty Surface Drilling
OEM Alternative: Direct Replacement for Sandvik & Epiroc 89mm
Engineered for heavy-duty surface bench drilling and underground long-hole operations, Bloom's T51 threaded button bits deliver maximum energy transmission when paired with extension Male-Female (MF) or Male-Male (MM) rod systems. Featuring 100% virgin carbide inserts across versatile skirt configurations (Normal, Retrac, Straightrac), our T51 platform focuses on maximizing penetration rates (ROP) while strictly ensuring hole straightness in complex, fractured rock formations.
Contact: Kevin Dai
Phone: 13605749661
E-mail: sales@bloommachinery.com
Whatsapp:+86 13605749661
Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province
