pcb castellated holes 0 8 mm

{"cid":"91197854","title":"Edge Castellated PCB Half Holes Circuit Boards Built On 1.6mm FR-4 With Blue Solder Mask","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/0c\/2da1e9f409c34787f477554afce9-200x200-1.jpg","attrs":{"Price":"USD9.99-99.99","Brand Name":"Bicheng","Model Number":"BIC-453.V1.0","Minimum Order Quantity":"1PCS","Delivery Time":"8-9 working days","Certification":"UL, ISO9001, IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"5000PCS per month","Packaging Details":"Vacuum bags+Cartons","Base material":"FR-4","Layer count":"4 Layers","PCB thickness":"1.6mm \u00b10.16","PCB size":"160.06 x 114.2mm=25PCS","Solder mask":"Blue","Silkscreen":"White","Copper weight":"Outer layer 35 um\/ Inner layer 18 um","Surface finish":"Immersion gold"}}