AUTIDEFY 60pcs 0.3mm-1.2mm PCB Drill Bit Tungsten Carbide Micro Drill Bits Set for Print Circuit Board Jewelry CNC Engraving,Precision Drilling for Amber Plastic Hardware
- ❤Multi Size:This PCB drill bit set contains 10 different size: 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, each size has 6pcs.
- ❤High-quality:Made of high quality tungsten steel, highly wear resistance, high hardness, bending strength, anti-impairment, with good milling and cutting performance, ensuring high efficiency..
- ❤Large chip removal space for the drill bit: small chip removal resistance, smooth chip removal, low drilling heat, reducing drilling pollution..
- ❤Extraordinary cutting edge sharpness: Due to the adoption of nanotechnology and advanced grinding technology, the cutting edge of the drill bit is sharper than before, which can reduce the cutting force, reduce the rate of broken drills, and improve the quality of the hole wall..
- ❤Great Use:Great for 3D Printer Nozzle Cleaning, Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal plastic and other precision drilling..