BEYOND Micro Diameter Fixed Shank Nano-Coated Carbide Drill Bits 0.15–3mm HRC55

BEYOND HRC55 Micro Carbide Drill Series is designed for ultra-precision micro-hole machining. Each drill features a 3mm fixed shank for stable clamping, a nano coating for enhanced wear resistance, and is made of fine-grain tungsten carbide. Perfect for CNC machining of tough materials where accuracy, rigidity, and tool life are critical.

◆ Product Features

• ✅ Fixed 3mm Shank: Ensures superior rigidity and balance during high-speed drilling.
• ✅ Nano Coating: Provides high heat resistance, reduces friction, and significantly extends tool life.
• ✅ Micro Diameter Range: 0.15mm–3.0mm — ideal for fine-hole and deep-hole machining.
• ✅ Material: Premium tungsten carbide with HRC55 hardness for durability and precision.
• ✅ Polished Flutes: Promote smooth chip evacuation and stable performance.

◆ Suitable Workpiece Materials

• Stainless Steel
• Alloy Steel
• Mold Steel
• Cast Iron
• Spring Steel
• Tempered Steel

◆ Application Notes

For CNC Machines Only: These micro carbide drills are designed exclusively for high-precision CNC machining centers. Do not use with hand drills or bench drills, as vibration and low stability can cause breakage.

◆ Recommended Applications

Ideal for micro-hole drilling in watchmaking, precision molds, electronic components, medical instruments, and fine mechanical parts manufacturing.

◆ Technical Specifications

◆ Key Advantages

• High rigidity 3mm shank ensures minimal run-out and superior drilling accuracy.
• Nano coating enhances lifespan by 2–3 times compared to uncoated drills.
• Optimized for high-speed CNC cutting, maintaining stability and chip control.
• Excellent surface finish and precision even in hard materials.

◆ Common Search Keywords

nano coated carbide micro drill bits, 3mm fixed shank carbide drills, HRC55 tungsten steel micro drill, CNC micro hole drill 0.15mm, BEYOND carbide drill for stainless steel, small diameter carbide drill bits

◆ Brand Introduction

BEYOND specializes in high-performance carbide cutting tools for CNC machining. With advanced manufacturing and coating technologies, BEYOND delivers precision, stability, and durability trusted by professionals worldwide.