30mm-Cutting-PCB-Print-Circuit-Board-Drill-Bits-Engraving-Drill-Bit-CNC-Pack-of-10

Features:
These long-lasting bits are made from high quality tungsten steel for a precise,easy experience
These carbide PCB drill design for CNC/PCB Milling Machine,and diminished drill flux.
Mainly applies to copper, aluminum,fiberglass,carbon,circuit board,wood and most plastic including acrylic
Specifically designed for trace isolation patterns cutting on circuit boards,these PCB drill 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 Steel Carbide
Tungsten steel blade,welded iron body
Cutting edge symmetry, is conducive to the efficient cutting, avoid drilling offset
Specification:
Cutting Edge Diameter:3.0mm
Shank Diameter:3.175mm
Total Length:38.00±0.20mm

Package Included:10pcs PCB Carbide Drill Bits