About This Specification - 15pcs/set. This kit contains 10pcs drill holes tools - diamond core drill bits (6/6/8/19/25/35/50/75/102/125mm); 2pcs cutting tools - 4.5 inch diamond tile blade; Repair and reaming tools - 1pc 4/5 inch diamond finger bit and 1pc 2 inch diamond chamfer bit; Adapter - 1pc connect 5/8"-11 thread to sds-plus adapter. Machine and Notice - Suitable for 5/8“-11 thread speed angle grinders. Recommended speed 6000 rpm, maximum speed 11000 rpm. You can also use it on a hammer drill with the sds-plus adapter included in this kit. When using it with the hammer drill, please keep the speed at least 2500RPM. Do not use the impact or hammer mode otherwise the tiles will crack. If you want to drill more holes and cleaner, please add water to wet it. Different sizes drill bits are used for drilling holes; The chamfer bit is not for drilling, but for quickly enlarging or trimming holes; When the chamfer is reamed or edging, the ground edge is beveled. It may be necessary to continue to correct with a finger bit. The finger bit is not for drilling, but for finely enlarging holes or grinding; Dry or wet use. If you want to be dust-free, please use them with water. For porcelain tiles, marble, granite, etc. Durability - Vacuum Brazed technology combines a high-quality steel matrix with diamonds in a scientific ratio and provides high efficient working performance and longer service life. Fast drilling - Lightning teeth has wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged. Overview Material : Diamond Brand : EXFEIN Color : Yellow Style : K8 Item Weight : 3.55 Kilograms Compatible Material : Tile Marble Porcelain
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