0.1-1.0mm Mini Micro Carbide PCB Drill Bits Set - 40 PCS Spiral Flute Rotary Engraving Tools for Circuit Boards, Jewelry Making & CNC Projects | Precision Drilling for DIY Electronics & Crafting

Product Description

Specifications: Name : PCB drill bits Material : Tungsten Steel Size : 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm Features: 1. This micro drill bits are designed to drill and engrave on print circuit board and other precise work. 2. Great for 3D Printer Nozzle Cleaning, Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal plastic and other precision drilling. 3. The PCB drill bits are made of high quality tungsten steel, highly wear resistance, high hardness, bending strength, anti-impairment, highly working efficiency. Please Note: 1. PCB drill bits which below 0.5mm are easy to break because they are small and thin. It is recommended to be careful when using them. 2. Don't use on too hard material,like high hardness iron. 3. You must apply force evenly and vertically while using. Do not touch the blade with your hands or external force to avoid damage. Package Included: 4 x 0.1mm PCB drill bits 4 x 0.2mm PCB drill bits 4 x 0.3mm PCB drill bits 4 x 0.4mm PCB drill bits 4 x 0.5mm PCB drill bits 4 x 0.6mm PCB drill bits 4 x 0.7mm PCB drill bits 4 x 0.8mm PCB drill bits 4 x 0.9mm PCB drill bits 4 x 1.0mm PCB drill bits