EXFEIN Diamond Tile Hole Saw Kit 14pcs 6/6/8/19/25/35/50/75/102mm Drill Bits & Adapter with 4/5" Finger Bit and 2" Chamfer Bit and 2pcs 4.5 Inch Diamond Blade for Tile Porcelain Ceramic Marble Granite

About this item

• Specification: 14pcs/set. This kit contains 9pcs diamond core drill bits(6/6/8/19/25/35/50/75/102mm) for drilling holes; 2pcs 4.5 inch diamond blade for tile cutting.1pc 4/5" diamond finger bit and 1pc 2" diamond chamfer bit are used to enlarge holes, NOT FOR DRILLING; 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.