The 40° carbide rod with three helix holes is engineered with a triple-channel, 40-degree helical design, developed specifically for the heavy-duty deep-hole machining market in North America. Compared to traditional two-hole designs, this three helix holes carbide rod improves heat dissipation efficiency by 60%, effectively solving issues of overheating and poor chip evacuation during high-speed machining of large-diameter tools.

Product Features:

• Triple Helical Cooling
A 120° equally spaced layout ensures full-coverage cooling, eliminating localized hot spots during operation.

• High-Efficiency 40° Helix Angle
The optimized 40° spiral enhances both coolant flow and chip evacuation, improving overall machining performance.

• Heavy-Duty Machining Ready
Purpose-built for high-power machines and demanding cutting conditions, this carbide helical coolant hole rod is ideal for intensive operations.

• Enhanced Structural Strength
The three-hole layout is stress-tested to maintain structural stability under high-pressure coolant environments.

• Superior Chip Removal
Triple negative-pressure channels generate strong suction force, enabling effective chip evacuation when machining long-chip materials.

• Large-Diameter Tool Optimization
Specially designed for tools with diameters above φ16mm, the wholesale carbide helix rods meet the rigorous needs of heavy-duty and large-scale machining tasks.

Specifications：

Applications:

• Heavy-Duty Deep Hole Drilling
Ideal for manufacturing large-diameter deep hole drills (φ16–φ32mm), the three helix holes carbide rod provides enhanced cooling performance to address overheating in heavy-load machining.

• High-Power End Mills
Suitable for producing roughing end mills used in heavy-duty cutting, these carbide helical coolant hole rods meet the high material removal demands of the steel casting industry.

• Oil & Gas Drilling Tools
Used in the production of oil well drill bits and reamers, this carbide rod with three helix holes withstands extreme pressure and temperature conditions common in petroleum exploration.

• Nuclear Power Equipment Machining
Specialized for tools used in processing nuclear-grade stainless steel and nickel-based alloys, ensuring reliable performance under stringent machining environments.

• Marine & Shipbuilding Tools
Designed for cutting thick steel plates and large structural components, these wholesale carbide helix rods help improve machining efficiency in the shipbuilding industry.