0.1mm Micro Drill Bits 3.175mm Shank Carbide for Print Circuit Board 10pcs

Specifications

√FEATURE:Micro drill bit crafted from ultra-hard 92% Tungsten Carbide (WC) with 8% Cobalt (Co) binderExceptional Hardness (HRA 89-95) – 3× longer life than HSSUnmatched Wear Resistance - for stainless steel & hardened alloysHigh-Temperature Stability - Maintains cutting edge at 800°C+Precision-Ground Flutes - Optimized chip evacuation & reduced heat buildupAn uncoated (Bright) surface - reduces friction resistance during cuttingThe 135-degree tip angle - provides excellent processing stability√APPLICATION:Tungsten carbide twist drill bits (0.1mm) excel in precision applications: PCB micro-drilling (0.15-3mm holes), device components, aerospace turbine cooling holes, maintaining micron-level accuracy in demanding industrial environments.

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