20pcs rotary carbide tools, double cutting heads, 1/8 inch (3mm) shank, for electric or pneumatic tool, the first choice for multi-machining. Features: Tungsten carbide, wear-resistant and , increases metal removal rate, improves ease of inspection, long service life. The double cut style has rows of cutting teeth cut in two intersecting directions for fast material removal and a rougher finish. Include rotary velcro s, grinding head and rotary velcro cutting tools, etc., meet most of your drilling needs. The machining hardness reaches HRC70, for most work, a set of rotary cutters can replace the small tail circle. And their service life is 10 times longer than normal HSS burrs, 200 times longer than a small tail circle. 1/8 inch (3mm) shank, for electric or air tool for driving a car. The speed is about 6000-50000 rpm. It is suitable for deburring and polishing cast iron, cutting, engraving carving, metal, cast steel, carbon steel, alloy steel, stainless steel, wood, stone and other materials. Specifications:Material: Tungsten CarbideColor: SilverGroove: Double Cut FixedCutting Margin Diameter: 3mm/0.12in(10pcs) & 6mm/0.24in(10pcs)Shank Diameter: 3mm/0.12in10pcs 3*3mm/0.12*0.12in Total Length: 40mm /1.58in10pcs 3*6mm/0.12*0.24in Total Length: 42 - 50mm/1.65 - 1.97inPackage Weight: 106g/3.74ozPackage Size: 100*65*11mm/3.94*2.56*0, 43in Packing List:20*Carbide Rotary Tools1*Storage BoxMany questions about Dropshipping services are as follows:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis