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Homtone 50PCS PCB Drill Bits Set 0.3mm to 1.2mm, Carbide Micro Drill Bits for Print Circuit Board,Stone,Jewelry CNC Engraving
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About Homtone 50PCS PCB Drill Bits Set 0.3mm To
Homtone 50PCS PCB Drill Bits Set, 0.3mm-1.2mm, Spiral Carbide Micro Drill Bits for Print Circuit Board Stone for Dremel CNC Engraving Specification: Material: tungsten carbide steel Diameter: 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9,1, 1.1, 1.2mm Length: 5.5mm~10mm Stem diameter : 1/8" (3.175mm) Drill point angle: 135° Length： 38.00 ± 0.2mm Features High Precision -- Reduce cutting force, prevent breakage, and improve processing efficiency and precision. Stable and Durable -- Mini PCB drill bit is made of high-quality tungsten steel. The anti-vibration design of the blade edge keeps it stable during the engraving process. Application -- Print Circuit Board Stone compatible for Dremel Jewelry CNC Engraving Package include: 5 x 0.3mm PCB Drill Bits 5 x 0.4mm PCB Drill Bits 5 x 0.5mm PCB Drill Bits 5 x 0.6mm PCB Drill Bits 5 x 0.7mm PCB Drill Bits 5 x 0.8mm PCB Drill Bits 5 x 0.9mm PCB Drill Bits 5 x 1.0mm PCB Drill Bits 5 x 1.1mm PCB Drill Bits 5 x 1.2mm PCB Drill Bits Note: PCB drill bits which below 0.5mm are easy to break because they are small and thin. Be careful when using them. This tungsten steel drill bit is mainly suitable for high precision professional drilling equipment such as PCB drilling rigs. When using, you must apply force evenly and vertically. Do not touch the blade with your hands or external force to avoid damage. Due to extremely high hardness of drill bit, toughness is low. Don’t fall to the ground, it may break.
