Thread Connection: Standard R32 Female Thread
Reaming Diameter & Length: Massive 102mm Hole Opener | 165mm Rigid Body Length
Tool Weight & Integrity: 4.57kg Heavy-Duty One-Piece Integral Structure
Alloy Matrix Configuration: 17 Ultra-Large 13mm Dome Tungsten Carbides
Manufacturing Craft: Full CNC Machining + "Thermal-Insertion" Button Locking
Metallurgy Treatment: Military-Grade Heat-Treatment for Maximum Durability
THE CUT-HOLE FREEDOM KING:
17-Button Heavy Matrix: Armed with seventeen 13mm premium dome-shaped carbide inserts across a 4.57kg CNC-machined body, this integral reamer eliminates secondary alignment errors, creating flawless 102mm stress-relief empty holes.
Thermal-Insertion Security: Utilizing world-class thermal shrink-fitting and military-grade steel tempering, the pocket matrix grips the massive 13mm carbide roots immovably, eliminating the threat of button shearing under modern high-torque jumbo rotations.
Successfully driving deep advancement meters in underground tunneling and tunneling blast-cuts relies heavily on the quality and straightness of your empty relief holes. Bloom's R32-102mm Integral Reaming Bit for Tunneling Cut Holes is engineered specifically for drifting crews who require a rigid, single-pass solution to widen boreholes without the hassle of multi-piece pilot-and-ring assemblies. Precision-machined to a massive 4.57kg, this 102mm integral hole-opener combines a specialized dual-relief leading drill portion with a heavy-duty reamer matrix, ensuring fast penetration rates and dead-straight trajectories in highly stressed rock faces.
The raw durability of this 102mm heavy-hitter comes down to premium component synergy. We array seventeen ultra-large 13mm Dome tungsten carbide inserts across a 165mm structural body, using advanced thermal-insertion processes identical to top-tier international brands to secure each button against premature dropout. Full CNC machining and military-grade heat-treatment cycles give the high-alloy steel matrix elite resistance against abrasive rock wash and percussive cracking. By streamlining the flushing flute angles, this bit evacuates dense rock chips backward smoothly, lowering fuel consumption and preventing dangerous tool-binding during critical cut-hole expansion.
Tired of pilot combinations binding or losing buttons during critical cut-hole reaming? Contact Bloom's technical sales division today to configure batch test orders and step up to factory-direct reliability.
Contact: Kevin Dai
Phone: 13605749661
E-mail: sales@bloommachinery.com
Whatsapp:+86 13605749661
Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province