hss co cobalt center drill bit tialn coated spotting precision

{"cid":"91225487","title":"Cobalt Center Hss Cobalt Drill Bits For Metal Spot Drilling HRC65 - 67","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/0c\/9a0ef819c00daf134ae5754cb1a8-200x200-1.jpg","attrs":{"Price":"0.05-2.7$\/PCS","Brand Name":"XRTOOLS","Model Number":"3.5MM","Minimum Order Quantity":"500PCS","Delivery Time":"30-45days","Process":"Ti-coated,Black Oxide,Bright finished","Surface":"coffee","Use":"ceramic materials","Material":"M35","Type":"Twist bits","Name":"Cobalt Center Drill Bits","POINT:":"118\/135 Split Point","Hardness":"HRC65-67","Certification":"ISO9000","Place of Origin":"JIANG SU","Payment Terms":"T\/T, L\/C, D\/P","Supply Ability":"400,0000Pcs Per Mouth","Packaging Details":"Plastic box,Double Blister card","Oem":"Available","Size":"1.5 2.5 3.5 4 5 6"}}