carbide u channel end mill for mild steel

{"cid":"91212833","title":"Carbide U-Channel End Mill 4 Flute AlCrN Coated for Mild Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/73\/ff\/57541a6a556b594ecf290ce51fe1-200x200-1.jpg","attrs":{"Brand Name":"DROW","Model Number":"UG580","Minimum Order Quantity":"1","Place of Origin":"Guangdong, China","Material":"Tungsten Carbide","HRC":"45HRC, 55HRC, 60HRC","Coating":"AlCrN","Flute Count":"4 flutes","Processing Material":"mild steel, die steel before heat treatment","Diameter Range":"1~20 mm","Head Diameter":"4~20 mm","Overall Length":"50~100 mm","Radius Range":"R0.5~R6.0","Corner Radius":"R0.2~R2.0","End Mill Type":"KES, KEB, KECR","Ball Nose Diameter":"1~12 mm","Ball Nose Head":"3~12 mm","Corner Radius Diameter":"1~12 mm","Corner Radius Head":"4~12 mm"}}

{"cid":"91223180","title":"H6 12mm Carbide End Mill 0.8\u03bcm 0.6\u03bcm CNC Carbide End Mill For General Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/1c\/1d87267417c269886c3738be174e-200x200-1.jpg","attrs":{"Brand Name":"AMG","Minimum Order Quantity":"3-10PCS","Delivery Time":"5-12 working days","Certification":"ISO9001","Place of Origin":"CHINA","Payment Terms":"T\/T\/Credit Card","Name":"12mm Carbide End Mill","Number of flute":"4","Grain size":"0.8\u03bcm or 0.6\u03bcm","Coating":"TiAlN\/AlCrN\/AlTiN\/ZrN\/CrN","Application":"Iron, general steel, stainless steel, etc","Shank precision":"h6","Helix":"Variable helix","Service":"OEM\/ODM","Packaging Details":"Plastic tube","Supply Ability":"30000-100000pcs per month"}}