Features: 1. Smooth chip, reduce the rate of the string and long service life. 2. Range of processing: PCB, SMT, the CNC, mold, plastic, copper, stainless steel and other precision metal parts processing. 3. Carbide rods and tungsten steel rods,TIN coated nano-technology with high hardness, high wear resistance, high strength, resistance to bending, anti-impairment and long tool life,will improve work efficiency.
Package Included: 10 x Tungsten steel PCB drill bits
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