
Professional Printed Circuit Board Micro Drills, Long-Lasting Carbide PCB Drilling Bits for PCB Factory Use. Premium Tungsten Carbide Material: Made from imported nano-grade powder metallurgy tungsten carbide for superior hardness and durability. Advanced Coating Technology: Features PVD composite or CVD diamond coatings to increase tool life by 2-3 times and improve chip removal. Comprehensive Customization: Offers non-standard tool designs, custom models, and special samples based on customer drawings and specifications. Wide Size Range: Drills available from 0.1mm to 6.5mm; Router and slot bits from 0.4mm to 3.175mm. Strict Quality Control: 100% dimensional inspection for semi-finished products and 100% edge inspection for finished drill bits. Environmental Compliance: Products pass SGS environmental testing and comply with ROHS, REACH, and HSF standards. High Production Capacity: Monthly capacity of approximately 20 million units with fast sample response capabilities. ISO 9001 Certified: Factory holds ISO 9001:2015 certification ensuring a robust quality management system.