These long-lasting bits are made from high quality tungsten steel for a precise,easy experience. These carbide bits are mainly used in PCB drill design for CNC/PCB Milling Machine. Mainly used on the following materials copper, aluminum,fiberglass,carbon,circuit board,wood and most plastics including acrylic. Specifically designed for trace isolation patterns cutting on circuit boards,these PCB drill bits will give a clean burr free cut.
Please note,These bits are Very Sharp and lightly used and Each Piece has Been Cleaned
Constructed of Industrial Grade Solid Tungsten Carbide
Tungsten steel blade,welded iron body
Cutting Edge Diameter: 0.8~1.8MM
Shank Diameter: Approx.3.175mm
Overall Length: Approx.38.2mm
Set of 10pcs