20 sizes: diameter 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm Drill bit included
Material: HSS (high speed steel), high hardness, wear resistant, not easy to break
The sharp edge reduces cutting resistance. Efficient and better cutting
Applications: Drilling holes in pearls, precious metals, decorative items, precision instruments, PCB printed circuit boards, circuit boards, plastic models, printed circuit boards, etc be used with electric mini routers, flexible shafts, drilling machines, electric drills, pin vices, etc
We will only accept returns if the item is different from the picture shown
on the product page or is not in the same condition as the product description.
All items are 100% authentic: we verify authenticity before selling.
