This three helix holes carbide rod features a 30° triple-channel helical design, developed specifically for the North American high-end deep-hole cutting tool market. Compared to traditional dual-channel rods, the enhanced design improves coolant efficiency by up to 40%, effectively addressing the heat dissipation challenges commonly found in aerospace and automotive large-diameter deep hole machining.

Product Features:

• Evenly Distributed Triple Channels
The 120° equidistant layout ensures 360° coolant coverage, eliminating localized overheating and improving thermal consistency across the cutting tool.

• Optimized 30° Helical Angle
Engineered using fluid dynamics simulations, the 30° spiral provides an optimal balance between cooling performance and rod strength—ideal for high-demand machining tasks.

• Superior Chip Evacuation
The triple helical design creates strong negative pressure zones, efficiently removing both long and fine chips, preventing blockages and tool damage.

• Designed for Large Diameters
Tailored for tools with diameters above φ12mm, this carbide helical coolant hole rod meets the needs of heavy-duty machining with improved structural support and coolant flow.

• High-Pressure Compatibility
The wall thickness of the wholesale cemented carbide rod is optimized to withstand high-pressure coolant systems exceeding 50 bar, ensuring safety and performance in extreme conditions.

• Precision Manufacturing
Manufactured using a combination of EDM and deep-hole drilling technologies, the internal channels of these wholesale carbide helix rods are smooth and dimensionally precise, ensuring reliable coolant delivery.

Applications:

• Large-Diameter Deep Hole Drill Manufacturing
Designed for φ12mm to φ25mm deep hole drills, the triple-channel cooling design eliminates central overheating issues. These wholesale carbide helix rods enable consistent temperature control during high-intensity drilling operations.

• Heavy-Duty End Milling
Ideal for producing large roughing end mills used in the steel and casting industries. The structural strength and cooling efficiency of our wholesale cemented carbide rod ensure reliable performance in heavy-load milling environments.

• Aerospace Engine Components
Suitable for machining deep holes in turbine blades and engine casings. The triple helical coolant holes maintain temperature stability when cutting heat-resistant alloys, enhancing the quality and precision of aerospace-grade parts.

• Oil & Gas Drilling Tools
Perfect for manufacturing PDC drill bits used in petroleum exploration. Our three helix holes carbide rod withstands extreme conditions and integrates seamlessly with high-pressure coolant systems, ensuring durability in harsh environments.

• Large Mold Cavity Machining
Supports the production of tools for automotive bumper and dashboard injection molds. The smooth internal channels of our carbide helical coolant hole rods enhance surface finish and dimensional accuracy in large-scale mold applications.