DT-DIATOOL Diamond Core Drill Bits Kit for Porcelain Tile Ceramic Marble Granite Concrete Hole Saw (19/28/35/45/51mm) + Finger Bits (20mm) + 2 Adapters

Additional Details from the Manufacturer

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• 【Specification】Totally 8pcs/box: 5pcs(19/28/35/45/51mm) drill bits + 1pc 20mm finger bit + 1pc hex shank adapter + 1pc M14 to 5/8"-11 adapter.
• Drill bits: Diameter 19mm-51mm, 5/8-11 thread, total length 75mm(3 Inch);diamond height 15mm.
• Finger bit: Diameter 20mm, 5/8-11 thread, total length: 65mm. Workable length 50MM, Grit #50/60.
• Hex adapter: 5/8"-11 male thread, 3/8" hexagon shank; M14 adapter: 5/8-11 male thread to M14 female thread;
• 【Application】Core drills bits for dry or wet drilling holes; Diamond milling finger bit 20mm for grinding, enlarging or shaping holes on porcelain ceramic tiles, granite, masonry,marble,concrete,etc. Adapters change 5/8 Inch-11 thread to 3/8-Inch hexagon shank or M14 thread and allow your bits to fit a wider range of machines like hand drill.
• 【Durable and Sturdy】Vacuum brazing technology makes the diamond firmly bonded to the matrix, and the diamond exposure is higher, the processing efficiency is higher, and the service life is longer.
• 【Easy to use】Recommended machine: Angle Grinder. Recommended RPM 6000. Maximum RPM 11000.