Electro Plate Diamond drill diamond drill, glass drill, tile drill, diamond stone drill diamond core drill Detailed Product Description8856E-3 diamond drillDiamond Sinter Drill, Sinistered Core Drill, spec:4-10mm, 12-40mm, 42-70mm, 72-100mm, Diameter from 5mm to 60mm,Diamond Sinter. Drillbag packing Diamond Core Drill