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XINGYHENG 20pcs PCB Print Circuit Board Carbide Tungsten Steel Micro Drill Bits Set Shank 0.1mm to 1.0mm ,2each

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الوصف
1. Size: 0. 1-1. 0mm, 2. cutting edge strictly symmetrical: beneficial and efficient cutting, avoid offset drilling, 3. Various drill bit kinds, used in a variety of application needs, 4. Made tungsten carbide bits, 5. Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment.