알리 - 다이아몬드 코아 비트

https://ko.aliexpress.com/item/10pcs-New-Diamond-Coated-Hole-Saw-Granite-Glass-Tile-Marble-Core-Drill-Bits-3mm-4mm-5mm/32443493392.html?spm=2114.010208.3.35.g7WHEf&ws_ab_test=searchweb0_0,searchweb201602_1_116_10065_117_10068_114_115_113_10084_10083_10080_10082_10081_10060_10061_10062_10056_10055_10054_10059_10099_10078_10079_426_10103_10073_10102_10096_10052_10050_10051,searchweb201603_9&btsid=43b31203-a458-4e29-9d88-78f51018d8ac

https://ko.aliexpress.com/wholesale?catId=0&initiative_id=SB_20161211233302&SearchText=%EB%8B%A4%EC%9D%B4%EC%95%84%EB%AA%AC%EB%93%9C+%EC%BD%94%EC%95%84+%EB%B9%84%ED%8A%B8+6mm

https://ko.aliexpress.com/item/38pcs-diamond-cutting-disc-for-dremel-tools-accessories-mini-saw-blade-diamond-grinding-wheel-set-rotary/32325094489.html?scm=1007.13339.33317.0&pvid=8360b915-ca08-40d3-a27d-debfe32b38b7&tpp=1

다이아 세트, 38개