PERFECT IN PROCESSING: The cutting head produced by diamond hot pressing and sintering processes is strong, wear-resistant and long-lasting without lossGOOD PERFORMANCE: The product has a sharp edge, fast drilling speed and long service lifeSCOPE OF APPLICATION: 1/2 BSP angle grinder drilling, suitable for drilling ceramic, granite, quartz stone and other materialsWELL DEVELOPED: Large chip removal hole design can smoothly remove chips while drilling and increase drilling speedHIGH QUALITY MATERAL: High quality diamond material with extremely high hardness and wear resistanceItem Type: Diamond Drill BitsProduction process: sinteringDrilling diameter: approx. 12 mmTotal length: approx. 98 mmThread: 1 / 2BSPApplicable machine: angle grinderColour: blueMaterial: diamondPackage Contents:1 x diamond drillOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.