Diamond Tile Hole Saw Kit 12pcs – Diamond Core Drill Bits 6/6/8/19/25/35/50/75/102mm for Tile Porcelain Ceramic Marble with 20mm Finger Bit and 50mm Chamfer Bit Trimming Holes and SDS Adapter. Style: K2 Brand: EXFEIN MPN: EX2-DB-E102 UPC: Does not apply EAN: Does not apply. Item Weight: 2.49 Kilograms. Product Dimensions? 9.45 x 6.69 x 3.94 inches; 5.49 Pounds. Item model number? EX2-DB-E102. Date First Available? May 16, 2024. Best Sellers Rank: #81,115 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #118 in Core Drill Bits #1,860 in Industrial Drill Bits. #118 in Core Drill Bits. #1,860 in Industrial Drill Bits. Customer Reviews: 4.4 4.4 out of 5 stars 56 ratings. This kit contains 9pcs diamond core drill bits(6/6/8/19/25/35/50/75/102mm); 1pc 4/5″ diamond finger bit; 1pc 2″ diamond chamfer bit; 1pc connect 5/8-11 thread to SDS adapter. Application: EXFEIN core drill bits are used to drilling holes; finger bit for enlarging holes; chamfer bit for trimming holes; For porcelain ceramic tile marble granite, etc. Dry or wet use. Wet drilling with less debris for longer life. Machine: 5/8 arbor angle grinder. Diameter less than 4: Recommended speed 6000RPM; Maximum speed 11000RPM. Diameter 4: Recommended speed 3000RPM; Maximum speed 6000RPM. SDS adapter in this kit can be attached to a drill bit with a 5/8 fitting so that the drill bit can be attached to your drill machine with sds-plus thread. If you are using this kit on a hand drill, make sure that the drilling speed does not go below 2000 RPM. And do not use the impact drill mode. 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. Your receive the wrong item.