10pcs Durable Micro Alloy Tungsten Steel Carbide Drill Bits PCB Drill Bit 0.1mm-1.0mm Mini

Label:Yes Color: Silver Quantity: 10pcs/Set Size: As Pictures Shown Shank Diameter 3.175mm approx USE: Precision drilling of amber, beeswax, circuit boards, bakelite, CNC engraving, glass, jewelry, hardware and plastics, etc Model: 0.1-1.0mm Material: Alloy Tungsten Steel Specifications: 1. Tungsten steel bit, easy to handle, precision grinding technology, high wear resistance, high hardness, durable. 2. Good chip removal, double edge milling cutter edge sharp, chip removal fast, high durability, not easy to break the cutter. 3. Spiral groove, sharp cutting edge and large spiral groove design can prevent the formation of chip accretion. 4. Humanized positioning ring sleeve box design can reduce the debugging time of the machine. 5. The anti-seismic design of knife edge can slow down the vibration of machining process and improve the surface quality.

Package Included: 10 * Drill Bits