[High-quality CNC drill bits] 1/8 end mills are made of ultra-fine-grain carbide material (tungsten steel), titanium alloy coating, and the tool life is longer. It has high wear resistance, high hardness, high bending strength, high work efficiency, and high precision. [Cost-effective end mill kit] Titanium alloy coated CNC router drill bits, 10 different sizes to meet your needs: 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm. [Advantages] These CNC router burr end milling engraving drill bits have cutting edges, milling grooves, and clean surfaces. These tool sets can work quickly and cleanly without leaving any faults or waste. [Wide Application] This titanium alloy coated engraving milling cutter is suitable for PCB, SMT, CNC, molds, plastic fiber, carbon fiber, hardwood, printed circuit boards and other precision parts processing. [Parameters of these CNC router drill bit sets] Overall length (OAL): 38 mm (1-1/2 inches); Shank diameter (SD): 3.175 mm (1/8 inches) Colour: Material:Tungsten steel Package Contents: 10 * End mill 0.6mm-1.5mm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.