SpeTool Tapered Ball Nose End Mill 14 X 3 with 0.5mm Tip Diameter0.25mm Radius Ball Nose 5.26Deg Router Bit for CNC Machine Engraving Carving Bits H-Si Coated

If you're looking for a tapered ball nose end mill for your CNC router or 3D engraver, the Spetool 4Pcs Tapered Ball Nose End Mill is a great option to Consider. The h-si coating is good, but not as good as TiAlN, which is something to keep in mind if you're working with sticky materials like aluminum. The typical speed and feeds for wood is around 18000 rpm with a feed rate and depth that works best for your project. The end mill is an up cut design and made in China. Reviews indicate that this end mill is highly effective and precise. Some customers even use it on a regular basis and it still looks brand new after a year of use. The precision and edge retention are highly accurate and sharp, allowing for detailed 3D relief carvings. Customer service is also praised for being top quality. One customer even used this bit to grind off rusted wheel studs and lug nuts on their Jeep wheels without ruining the alloy wheels. The bit cuts well and is not easily broken. The reasonable price for the quality and effectiveness makes it a great value for users.