Product Introduction
The Grewin Internal Coolant Hole Drill Bit Durable Series features a built-in high-pressure coolant channel, delivering targeted cooling and chip removal for efficient deep-hole drilling in tough materials. Designed for CNC machining centers, it ensures extended tool life and consistent precision in demanding industrial applications.
Product Features
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Reinforced HSS material – Offers high wear resistance and durability
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Internal coolant channel – Direct high-pressure cooling to the cutting edge
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Precision geometry – Ensures accuracy and smooth chip evacuation
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Extended tool life – Optimized for stainless steel, alloy steel, and other hard materials
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CNC system compatible – Supports high-pressure coolant machining centers
Application Scenarios
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Deep-hole drilling in stainless steel and alloy steel
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Automotive and aerospace component machining
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High-precision mold and die manufacturing
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Industrial CNC production and heavy-duty machining
