3 6 mm head rotary cutter file

{"cid":"91194528","title":"10pcs 1\/8\" Shank Aluma Cut Tungsten Carbide Rotary Burr with 3*6 mm Head for Metal Engraving","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/9e\/5b260bbabf2573c88b5f43ac306a-200x200-1.jpg","attrs":{"Price":"$0.99-4.59","Brand Name":"KINGTOOLS","Model Number":"SA\/AC\/SD\/SE\/SF\/SG\/SH\/SL\/SM\/SN","Minimum Order Quantity":"10","Place of Origin":"Sichuan, China","Shank Diameter":"1\/8\"","Head Diameter":"3-25 mm","Head Length":"6-36 mm","Overall Length":"38-81 mm","Material":"Tungsten Carbide","Shank Hardness":"HRA 89-92.5","Tool Speed":"15000-45000 Turn\/min","Max RPM":"70000","Suggested RPM":"25000-50000","Hardness Grade":"HRA \u2265 85","Cutter Pattern":"Double Cut","Quantity per Set":"10pcs","Dimension":"3*6 mm \/ 0.12*0.24 inch","Chipbreaker Type":"Single\/Double\/Aluma\/Diamond Cut","Power Source":"Electric"}}