10PCS 0.1-1mm PCB Circuit Board Micro Drill Bits CNC Engraving Tool Kit

Features: * brand new and high quality *Made of high quality material durable and practical to use · Tungsten alloy steel High hardness high strength advanced grinding technology durable · Locating ring design Humanized positioning ring design reduces machine debugging time and improves work efficiency. The anti-vibration design of the cutting edge can suppress the vibration generated during machining and improve the machining accuracy of the surface. The design of the helix angle effectively prevents the occurrence of accumulated cuts and improves the processing quality. Exquisite product appearance packaging environmental protection and safety better protection of this product avoid damage during transportation and handling and better delivery to your hands. Product use: stainless steel copper amber beeswax plastic circuit board and other surface processing Specifications: Name: PCB Drill Bit Set Shank Diameter 3.175mm (Approx.) Total Length ± 38mm(Approx.) Material: Carbide Drill Diameter: 0.1 ~ 1mm Ten Models Whether Standard: Yes Package Contents: 10*Mini Drill Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.