
Professional Printed Circuit Board Micro Drills, Long-Lasting Carbide PCB Drilling Bits for PCB Factory Use. Tungsten Carbide Material: Made from imported nano-grade powder metallurgy tungsten carbide for high hardness and durability. Customization Available: Non-standard tools and special samples can be customized according to customer drawings and requirements. Multiple Coating Options: Offers PVD composite coating and CVD diamond coating to increase tool life by 2-3 times. Wide Size Range: Drills from 0.1mm to 6.5mm; Router and slot bits from 0.4mm to 3.175mm. Environmental Compliance: Meets ROHS, REACH, and HSF environmental requirements with SGS testing certification. High Production Capacity: Monthly production capacity reaches approximately 20 million units with automated equipment. Fast Delivery: Delivery time is 3-7 days, with express shipping via DHL typically arriving within a week. Strict Quality Control: 100% dimensional inspection and edge inspection using advanced automated testing equipment.